CVE & CISA-KEV CatalogNVD
CVE-2022-49321
MEDIUM5.5
CVSS v3
Description
In the Linux kernel, the following vulnerability has been resolved: xprtrdma: treat all calls not a bcall when bc_serv is NULL When a rdma server returns a fault format reply, nfs v3 client may treats it as a bcall when bc service is not exist. The debug message at rpcrdma_bc_receive_call are, [56579.837169] RPC: rpcrdma_bc_receive_call: callback XID 00000001, length=20 [56579.837174] RPC: rpcrdma_bc_receive_call: 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 After that, rpcrdma_bc_receive_call will meets NULL pointer as, [ 226.057890] BUG: unable to handle kernel NULL pointer dereference at 00000000000000c8 ... [ 226.058704] RIP: 0010:_raw_spin_lock+0xc/0x20 ... [ 226.059732] Call Trace: [ 226.059878] rpcrdma_bc_receive_call+0x138/0x327 [rpcrdma] [ 226.060011] __ib_process_cq+0x89/0x170 [ib_core] [ 226.060092] ib_cq_poll_work+0x26/0x80 [ib_core] [ 226.060257] process_one_work+0x1a7/0x360 [ 226.060367] ? create_worker+0x1a0/0x1a0 [ 226.060440] worker_thread+0x30/0x390 [ 226.060500] ? create_worker+0x1a0/0x1a0 [ 226.060574] kthread+0x116/0x130 [ 226.060661] ? kthread_flush_work_fn+0x10/0x10 [ 226.060724] ret_from_fork+0x35/0x40 ...
How to fix
Remediation Available
linuxDebian
Fixed in:5.10.127-1CVE-2022-49321
Fixed in:5.18.5-1CVE-2022-49321
Fixed in:5.18.5-1CVE-2022-49321
Fixed in:5.18.5-1CVE-2022-49321
bpftoolRed Hat / RHEL
Fixed in:0:7.2.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:7.2.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:7.2.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:7.2.0-362.8.1.el9_3RHSA-2023:6583
bpftoolRocky
Fixed in:0:7.2.0-362.8.1.el9_3RHSA-2023:6583
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Fixed in:0:7.2.0-362.8.1.el9_3RHSA-2023:6583
bpftool-debuginfoRed Hat / RHEL
Fixed in:0:7.2.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:7.2.0-362.8.1.el9_3RHSA-2023:6583
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bpftool-debuginfoRocky
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kernelRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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kernelRocky
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kernel-64kRed Hat / RHEL
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kernel-64kRocky
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kernel-64k-coreRocky
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kernel-64k-coreRed Hat / RHEL
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kernel-64k-debugRocky
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kernel-64k-debugRed Hat / RHEL
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kernel-64k-debug-coreRed Hat / RHEL
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kernel-64k-debug-coreRocky
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kernel-64k-debug-debuginfoRed Hat / RHEL
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kernel-64k-debug-debuginfoRocky
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kernel-64k-debug-develRed Hat / RHEL
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kernel-64k-debug-develRocky
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kernel-64k-debug-devel-matchedRocky
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kernel-64k-debug-devel-matchedRed Hat / RHEL
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kernel-64k-debug-modulesRed Hat / RHEL
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kernel-64k-debug-modulesRocky
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kernel-64k-debug-modules-coreRocky
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kernel-64k-debug-modules-coreRed Hat / RHEL
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kernel-64k-debug-modules-extraRed Hat / RHEL
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kernel-64k-debug-modules-extraRocky
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kernel-64k-debuginfoRed Hat / RHEL
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kernel-64k-debuginfoRocky
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kernel-64k-develRed Hat / RHEL
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kernel-64k-develRocky
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kernel-64k-devel-matchedRocky
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kernel-64k-devel-matchedRed Hat / RHEL
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kernel-64k-modulesRocky
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kernel-64k-modulesRed Hat / RHEL
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kernel-64k-modules-coreRocky
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kernel-64k-modules-coreRed Hat / RHEL
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kernel-64k-modules-extraRocky
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kernel-64k-modules-extraRed Hat / RHEL
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kernel-abi-stablelistsRocky
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kernel-abi-stablelistsRed Hat / RHEL
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kernel-coreRocky
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kernel-coreRed Hat / RHEL
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kernel-debugRocky
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kernel-debugRed Hat / RHEL
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kernel-debug-coreRed Hat / RHEL
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kernel-debug-coreRocky
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kernel-debug-debuginfoRocky
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kernel-debug-debuginfoRed Hat / RHEL
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kernel-debug-develRocky
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kernel-debug-develRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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kernel-debug-devel-matchedRocky
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kernel-debug-devel-matchedRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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kernel-debug-modulesRocky
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kernel-debug-modulesRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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kernel-debug-modules-coreRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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kernel-debug-modules-coreRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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kernel-debug-modules-extraRocky
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kernel-debug-modules-extraRed Hat / RHEL
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kernel-debug-uki-virtRocky
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kernel-debug-uki-virtRed Hat / RHEL
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kernel-debuginfoRed Hat / RHEL
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kernel-debuginfoRocky
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kernel-debuginfo-common-aarch64Rocky
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kernel-debuginfo-common-aarch64Red Hat / RHEL
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kernel-debuginfo-common-ppc64leRocky
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kernel-debuginfo-common-ppc64leRed Hat / RHEL
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kernel-debuginfo-common-s390xRocky
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kernel-debuginfo-common-s390xRed Hat / RHEL
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kernel-debuginfo-common-x86_64Red Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-debuginfo-common-x86_64Rocky
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kernel-develRocky
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kernel-develRed Hat / RHEL
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kernel-devel-matchedRocky
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kernel-devel-matchedRed Hat / RHEL
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kernel-docRocky
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kernel-docRed Hat / RHEL
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kernel-modulesRocky
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kernel-modulesRed Hat / RHEL
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kernel-modules-coreRocky
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kernel-modules-coreRed Hat / RHEL
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kernel-modules-extraRocky
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kernel-modules-extraRed Hat / RHEL
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kernel-rtRed Hat / RHEL
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kernel-rtRocky
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kernel-rt-coreRed Hat / RHEL
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kernel-rt-coreRocky
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kernel-rt-debugRed Hat / RHEL
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kernel-rt-debugRocky
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kernel-rt-debug-coreRocky
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kernel-rt-debug-coreRed Hat / RHEL
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kernel-rt-debug-debuginfoRocky
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kernel-rt-debug-debuginfoRed Hat / RHEL
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kernel-rt-debug-develRocky
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kernel-rt-debug-develRed Hat / RHEL
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kernel-rt-debug-kvmRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-debug-kvmRocky
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kernel-rt-debug-modulesRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-debug-modulesRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-debug-modules-coreRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-debug-modules-coreRocky
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kernel-rt-debug-modules-extraRocky
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kernel-rt-debug-modules-extraRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-debuginfoRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-debuginfoRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-develRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-develRocky
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kernel-rt-kvmRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-kvmRocky
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kernel-rt-modulesRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-modulesRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-modules-coreRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-rt-modules-coreRocky
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kernel-rt-modules-extraRocky
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kernel-rt-modules-extraRed Hat / RHEL
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kernel-toolsRocky
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kernel-toolsRed Hat / RHEL
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kernel-tools-debuginfoRed Hat / RHEL
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kernel-tools-debuginfoRocky
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kernel-tools-libsRocky
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kernel-tools-libsRed Hat / RHEL
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kernel-tools-libs-develRocky
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kernel-tools-libs-develRed Hat / RHEL
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Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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kernel-uki-virtRocky
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kernel-uki-virtRed Hat / RHEL
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kernel-zfcpdumpRocky
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kernel-zfcpdumpRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-coreRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-coreRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-debuginfoRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-debuginfoRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-develRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-develRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-devel-matchedRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-devel-matchedRocky
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kernel-zfcpdump-modulesRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-modulesRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-modules-coreRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-modules-coreRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-modules-extraRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
kernel-zfcpdump-modules-extraRocky
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libperfRocky
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libperfRed Hat / RHEL
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Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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libperf-debuginfoRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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libperf-debuginfoRocky
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perfRed Hat / RHEL
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Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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perfRocky
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perf-debuginfoRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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perf-debuginfoRocky
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python3-perfRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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python3-perfRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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python3-perf-debuginfoRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
python3-perf-debuginfoRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
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rtlaRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
rtlaRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
rvRed Hat / RHEL
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
rvRocky
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Fixed in:0:5.14.0-362.8.1.el9_3RHSA-2023:6583
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
0.27%probability of exploitation in 30 days
19thpercentile
Low risk: more likely to be exploited than 19% of all known CVEs.
References
Related Vulnerabilities
Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2023-21758 | High | 7.5 | 92% | - | Fix |
| CVE-2023-21547 | High | 7.5 | 88% | - | Fix |
| CVE-2014-3470 | Medium | 4.3 | 86% | - | Fix |
| CVE-2021-44224 | High | 8.2 | 82% | - | Fix |
| CVE-2016-0742 | High | 7.5 | 82% | - | Fix |
| CVE-2009-1386 | Medium | 5.0 | 80% | - | Fix |
Embed a live status badge for CVE-2022-49321
Markdown
[](https://tridentstack.com/cve/CVE-2022-49321)HTML
<a href="https://tridentstack.com/cve/CVE-2022-49321"><img src="https://tridentstack.com/cve/badge/CVE-2022-49321.svg" alt="CVE-2022-49321"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-01.