CVE & CISA-KEV Catalog

CVE-2024-26999

MEDIUM
5.5
CVSS v3
NVD

Description

In the Linux kernel, the following vulnerability has been resolved: serial/pmac_zilog: Remove flawed mitigation for rx irq flood The mitigation was intended to stop the irq completely. That may be better than a hard lock-up but it turns out that you get a crash anyway if you're using pmac_zilog as a serial console: ttyPZ0: pmz: rx irq flood ! BUG: spinlock recursion on CPU#0, swapper/0 That's because the pr_err() call in pmz_receive_chars() results in pmz_console_write() attempting to lock a spinlock already locked in pmz_interrupt(). With CONFIG_DEBUG_SPINLOCK=y, this produces a fatal BUG splat. The spinlock in question is the one in struct uart_port. Even when it's not fatal, the serial port rx function ceases to work. Also, the iteration limit doesn't play nicely with QEMU, as can be seen in the bug report linked below. A web search for other reports of the error message "pmz: rx irq flood" didn't produce anything. So I don't think this code is needed any more. Remove it.

How to fix

Remediation Available
linuxDebian
Fixed in:5.10.216-1CVE-2024-26999
Fixed in:6.1.90-1CVE-2024-26999
Fixed in:6.8.9-1CVE-2024-26999
Fixed in:6.8.9-1CVE-2024-26999
linuxUbuntu
Fixed in:5.4.0-189.209USN-6896-1
Fixed in:5.15.0-116.126USN-6898-1
Fixed in:6.8.0-38.38USN-6893-1
linux-awsUbuntu
Fixed in:5.4.0-1128.138USN-6896-5
Fixed in:5.15.0-1065.71USN-6898-3
Fixed in:6.8.0-1011.12USN-6893-3
linux-aws-5.15Ubuntu
Fixed in:5.15.0-1065.71~20.04.1USN-6898-4
linux-aws-5.4Ubuntu
Fixed in:5.4.0-1128.138~18.04.1USN-6896-5
linux-azureUbuntu
Fixed in:5.4.0-1133.140USN-6896-1
Fixed in:5.15.0-1068.77USN-6917-1
Fixed in:6.8.0-1010.10USN-6893-1
linux-azure-5.15Ubuntu
Fixed in:5.15.0-1068.77~20.04.1USN-6917-1
linux-azure-5.4Ubuntu
Fixed in:5.4.0-1133.140~18.04.1USN-6896-1
linux-azure-fdeUbuntu
Fixed in:5.15.0-1068.77.1USN-6917-1
linux-azure-fde-5.15Ubuntu
Fixed in:5.15.0-1068.77~20.04.1.1USN-6917-1
linux-bluefieldUbuntu
Fixed in:5.4.0-1088.95USN-6896-1
linux-gcpUbuntu
Fixed in:5.4.0-1132.141USN-6896-1
Fixed in:5.15.0-1064.72USN-6898-1
Fixed in:6.8.0-1010.11USN-6893-1
linux-gcp-5.15Ubuntu
Fixed in:5.15.0-1065.73~20.04.1USN-6927-1
linux-gcp-5.4Ubuntu
Fixed in:5.4.0-1132.141~18.04.1USN-6896-1
linux-gkeUbuntu
Fixed in:5.15.0-1062.68USN-6898-1
Fixed in:6.8.0-1006.9USN-6893-2
linux-gkeopUbuntu
Fixed in:5.4.0-1095.99USN-6896-1
Fixed in:5.15.0-1048.55USN-6898-1
linux-gkeop-5.15Ubuntu
Fixed in:5.15.0-1048.55~20.04.1USN-6898-1
linux-hwe-5.15Ubuntu
Fixed in:5.15.0-116.126~20.04.1USN-6898-3
linux-hwe-5.4Ubuntu
Fixed in:5.4.0-189.209~18.04.1USN-6896-2
linux-ibmUbuntu
Fixed in:5.4.0-1075.80USN-6896-1
Fixed in:5.15.0-1058.61USN-6898-1
Fixed in:6.8.0-1008.8USN-6893-1
linux-ibm-5.15Ubuntu
Fixed in:5.15.0-1058.61~20.04.1USN-6898-2
linux-ibm-5.4Ubuntu
Fixed in:5.4.0-1075.80~18.04.1USN-6896-1
linux-image-5.15.0-1035-xilinx-zynqmpUbuntu
Fixed in:5.15.0-1035.39USN-7019-1
linux-image-5.15.0-1048-gkeopUbuntu
Fixed in:5.15.0-1048.55~20.04.1USN-6898-1
Fixed in:5.15.0-1048.55USN-6898-1
linux-image-5.15.0-1058-ibmUbuntu
Fixed in:5.15.0-1058.61~20.04.1USN-6898-2
Fixed in:5.15.0-1058.61USN-6898-1
linux-image-5.15.0-1058-raspiUbuntu
Fixed in:5.15.0-1058.61USN-6919-1
linux-image-5.15.0-1060-intel-iotgUbuntu
Fixed in:5.15.0-1060.66~20.04.1USN-6898-1
Fixed in:5.15.0-1060.66USN-6898-1
linux-image-5.15.0-1060-nvidiaUbuntu
Fixed in:5.15.0-1060.61USN-6898-1
linux-image-5.15.0-1060-nvidia-lowlatencyUbuntu
Fixed in:5.15.0-1060.61USN-6898-1
linux-image-5.15.0-1062-gkeUbuntu
Fixed in:5.15.0-1062.68USN-6898-1
linux-image-5.15.0-1062-kvmUbuntu
Fixed in:5.15.0-1062.67USN-6898-1
linux-image-5.15.0-1063-oracleUbuntu
Fixed in:5.15.0-1063.69~20.04.1USN-6898-2
Fixed in:5.15.0-1063.69USN-6898-1
linux-image-5.15.0-1064-gcpUbuntu
Fixed in:5.15.0-1064.72USN-6898-1
linux-image-5.15.0-1065-awsUbuntu
Fixed in:5.15.0-1065.71~20.04.1USN-6898-4
Fixed in:5.15.0-1065.71USN-6898-3
linux-image-5.15.0-1065-gcpUbuntu
Fixed in:5.15.0-1065.73~20.04.1USN-6927-1
linux-image-5.15.0-1068-azureUbuntu
Fixed in:5.15.0-1068.77~20.04.1USN-6917-1
Fixed in:5.15.0-1068.77USN-6917-1
linux-image-5.15.0-1068-azure-fdeUbuntu
Fixed in:5.15.0-1068.77~20.04.1.1USN-6917-1
Fixed in:5.15.0-1068.77.1USN-6917-1
linux-image-5.15.0-116-genericUbuntu
Fixed in:5.15.0-116.126~20.04.1USN-6898-3
Fixed in:5.15.0-116.126USN-6898-1
linux-image-5.15.0-116-generic-64kUbuntu
Fixed in:5.15.0-116.126~20.04.1USN-6898-3
Fixed in:5.15.0-116.126USN-6898-1
linux-image-5.15.0-116-generic-lpaeUbuntu
Fixed in:5.15.0-116.126~20.04.1USN-6898-3
Fixed in:5.15.0-116.126USN-6898-1
linux-image-5.15.0-116-lowlatencyUbuntu
Fixed in:5.15.0-116.126~20.04.1USN-6898-2
Fixed in:5.15.0-116.126USN-6898-2
linux-image-5.15.0-116-lowlatency-64kUbuntu
Fixed in:5.15.0-116.126~20.04.1USN-6898-2
Fixed in:5.15.0-116.126USN-6898-2
linux-image-5.4.0-1040-iotUbuntu
Fixed in:5.4.0-1040.41USN-6896-5
linux-image-5.4.0-1047-xilinx-zynqmpUbuntu
Fixed in:5.4.0-1047.51USN-6896-3
linux-image-5.4.0-1075-ibmUbuntu
Fixed in:5.4.0-1075.80~18.04.1USN-6896-1
Fixed in:5.4.0-1075.80USN-6896-1
linux-image-5.4.0-1088-bluefieldUbuntu
Fixed in:5.4.0-1088.95USN-6896-1
linux-image-5.4.0-1095-gkeopUbuntu
Fixed in:5.4.0-1095.99USN-6896-1
linux-image-5.4.0-1112-raspiUbuntu
Fixed in:5.4.0-1112.124~18.04.1USN-6896-4
Fixed in:5.4.0-1112.124USN-6896-4
linux-image-5.4.0-1116-kvmUbuntu
Fixed in:5.4.0-1116.123USN-6896-1
linux-image-5.4.0-1127-oracleUbuntu
Fixed in:5.4.0-1127.136~18.04.1USN-6896-2
Fixed in:5.4.0-1127.136USN-6896-3
linux-image-5.4.0-1128-awsUbuntu
Fixed in:5.4.0-1128.138~18.04.1USN-6896-5
Fixed in:5.4.0-1128.138USN-6896-5
linux-image-5.4.0-1132-gcpUbuntu
Fixed in:5.4.0-1132.141~18.04.1USN-6896-1
Fixed in:5.4.0-1132.141USN-6896-1
linux-image-5.4.0-1133-azureUbuntu
Fixed in:5.4.0-1133.140~18.04.1USN-6896-1
Fixed in:5.4.0-1133.140USN-6896-1
linux-image-5.4.0-189-genericUbuntu
Fixed in:5.4.0-189.209~18.04.1USN-6896-2
Fixed in:5.4.0-189.209USN-6896-1
linux-image-5.4.0-189-generic-lpaeUbuntu
Fixed in:5.4.0-189.209USN-6896-1
linux-image-5.4.0-189-lowlatencyUbuntu
Fixed in:5.4.0-189.209~18.04.1USN-6896-2
Fixed in:5.4.0-189.209USN-6896-1
linux-image-6.8.0-1006-gkeUbuntu
Fixed in:6.8.0-1006.9USN-6893-2
linux-image-6.8.0-1007-intelUbuntu
Fixed in:6.8.0-1007.14USN-6893-1
linux-image-6.8.0-1007-raspiUbuntu
Fixed in:6.8.0-1007.7USN-6893-1
linux-image-6.8.0-1008-ibmUbuntu
Fixed in:6.8.0-1008.8USN-6893-1
linux-image-6.8.0-1008-oemUbuntu
Fixed in:6.8.0-1008.8USN-6893-1
linux-image-6.8.0-1008-oracleUbuntu
Fixed in:6.8.0-1008.8USN-6918-1
linux-image-6.8.0-1008-oracle-64kUbuntu
Fixed in:6.8.0-1008.8USN-6918-1
linux-image-6.8.0-1009-nvidiaUbuntu
Fixed in:6.8.0-1009.9USN-6893-2
linux-image-6.8.0-1009-nvidia-64kUbuntu
Fixed in:6.8.0-1009.9USN-6893-2
linux-image-6.8.0-1010-azureUbuntu
Fixed in:6.8.0-1010.10USN-6893-1
linux-image-6.8.0-1010-azure-fdeUbuntu
Fixed in:6.8.0-1010.10USN-6893-1
linux-image-6.8.0-1010-gcpUbuntu
Fixed in:6.8.0-1010.11USN-6893-1
linux-image-6.8.0-1011-awsUbuntu
Fixed in:6.8.0-1011.12USN-6893-3
linux-image-6.8.0-38-genericUbuntu
Fixed in:6.8.0-38.38USN-6893-1
linux-image-6.8.0-38-generic-64kUbuntu
Fixed in:6.8.0-38.38USN-6893-1
linux-image-6.8.0-38-lowlatencyUbuntu
Fixed in:6.8.0-38.38.1USN-6893-1
linux-image-6.8.0-38-lowlatency-64kUbuntu
Fixed in:6.8.0-38.38.1USN-6893-1
linux-image-awsUbuntu
Fixed in:5.4.0.1128.138~18.04.1USN-6896-5
Fixed in:5.15.0.1065.71~20.04.1USN-6898-4
Fixed in:6.8.0-1011.12USN-6893-3
linux-image-aws-lts-20.04Ubuntu
Fixed in:5.4.0.1128.125USN-6896-5
linux-image-aws-lts-22.04Ubuntu
Fixed in:5.15.0.1065.65USN-6898-3
linux-image-azureUbuntu
Fixed in:5.4.0.1133.140~18.04.1USN-6896-1
Fixed in:5.15.0.1068.77~20.04.1USN-6917-1
Fixed in:6.8.0-1010.10USN-6893-1
linux-image-azure-cvmUbuntu
Fixed in:5.15.0.1068.77~20.04.1USN-6917-1
linux-image-azure-fdeUbuntu
Fixed in:5.15.0.1068.77~20.04.1.45USN-6917-1
Fixed in:6.8.0-1010.10USN-6893-1
linux-image-azure-fde-lts-22.04Ubuntu
Fixed in:5.15.0.1068.77.45USN-6917-1
linux-image-azure-lts-20.04Ubuntu
Fixed in:5.4.0.1133.127USN-6896-1
linux-image-azure-lts-22.04Ubuntu
Fixed in:5.15.0.1068.66USN-6917-1
linux-image-bluefieldUbuntu
Fixed in:5.4.0.1088.84USN-6896-1
linux-image-gcpUbuntu
Fixed in:5.4.0.1132.141~18.04.1USN-6896-1
Fixed in:5.15.0.1065.73~20.04.1USN-6927-1
Fixed in:6.8.0-1010.11USN-6893-1
linux-image-gcp-lts-20.04Ubuntu
Fixed in:5.4.0.1132.134USN-6896-1
linux-image-gcp-lts-22.04Ubuntu
Fixed in:5.15.0.1064.60USN-6898-1
linux-image-genericUbuntu
Fixed in:5.4.0.189.187USN-6896-1
Fixed in:5.15.0.116.116USN-6898-1
Fixed in:6.8.0-38.38USN-6893-1
linux-image-generic-64kUbuntu
Fixed in:5.15.0.116.116USN-6898-1
Fixed in:6.8.0-38.38USN-6893-1
linux-image-generic-64k-hwe-20.04Ubuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-3
linux-image-generic-64k-hwe-24.04Ubuntu
Fixed in:6.8.0-38.38USN-6893-1
linux-image-generic-hwe-18.04Ubuntu
Fixed in:5.4.0.189.209~18.04.1USN-6896-2
linux-image-generic-hwe-20.04Ubuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-3
linux-image-generic-hwe-24.04Ubuntu
Fixed in:6.8.0-38.38USN-6893-1
linux-image-generic-lpaeUbuntu
Fixed in:5.4.0.189.187USN-6896-1
Fixed in:5.15.0.116.116USN-6898-1
Fixed in:6.8.0-38.38USN-6893-1
linux-image-generic-lpae-hwe-20.04Ubuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-3
linux-image-gkeUbuntu
Fixed in:5.15.0.1062.61USN-6898-1
Fixed in:6.8.0-1006.9USN-6893-2
linux-image-gke-5.15Ubuntu
Fixed in:5.15.0.1062.61USN-6898-1
linux-image-gkeopUbuntu
Fixed in:5.4.0.1095.93USN-6896-1
Fixed in:5.15.0.1048.47USN-6898-1
linux-image-gkeop-5.15Ubuntu
Fixed in:5.15.0.1048.55~20.04.1USN-6898-1
Fixed in:5.15.0.1048.47USN-6898-1
linux-image-gkeop-5.4Ubuntu
Fixed in:5.4.0.1095.93USN-6896-1
linux-image-ibmUbuntu
Fixed in:5.4.0.1075.80~18.04.1USN-6896-1
Fixed in:5.15.0.1058.61~20.04.1USN-6898-2
Fixed in:5.15.0.1058.54USN-6898-1
Fixed in:6.8.0-1008.8USN-6893-1
linux-image-ibm-classicUbuntu
Fixed in:6.8.0-1008.8USN-6893-1
linux-image-ibm-lts-20.04Ubuntu
Fixed in:5.4.0.1075.104USN-6896-1
linux-image-ibm-lts-24.04Ubuntu
Fixed in:6.8.0-1008.8USN-6893-1
linux-image-intelUbuntu
Fixed in:5.15.0.1060.66~20.04.1USN-6898-1
Fixed in:6.8.0-1007.14USN-6893-1
linux-image-intel-iotgUbuntu
Fixed in:5.15.0.1060.66~20.04.1USN-6898-1
Fixed in:5.15.0.1060.60USN-6898-1
linux-image-kvmUbuntu
Fixed in:5.4.0.1116.112USN-6896-1
Fixed in:5.15.0.1062.58USN-6898-1
Fixed in:6.8.0-38.38USN-6893-1
linux-image-lowlatencyUbuntu
Fixed in:5.4.0.189.187USN-6896-1
Fixed in:5.15.0.116.106USN-6898-2
Fixed in:6.8.0-38.38.1USN-6893-1
linux-image-lowlatency-64kUbuntu
Fixed in:5.15.0.116.106USN-6898-2
Fixed in:6.8.0-38.38.1USN-6893-1
linux-image-lowlatency-64k-hwe-20.04Ubuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-2
linux-image-lowlatency-hwe-18.04Ubuntu
Fixed in:5.4.0.189.209~18.04.1USN-6896-2
linux-image-lowlatency-hwe-20.04Ubuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-2
linux-image-nvidiaUbuntu
Fixed in:5.15.0.1060.60USN-6898-1
Fixed in:6.8.0-1009.9USN-6893-2
linux-image-nvidia-64kUbuntu
Fixed in:6.8.0-1009.9USN-6893-2
linux-image-nvidia-lowlatencyUbuntu
Fixed in:5.15.0.1060.60USN-6898-1
linux-image-oemUbuntu
Fixed in:5.4.0.189.209~18.04.1USN-6896-2
Fixed in:5.4.0.189.187USN-6896-1
linux-image-oem-20.04Ubuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-3
linux-image-oem-20.04bUbuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-3
linux-image-oem-20.04cUbuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-3
linux-image-oem-20.04dUbuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-3
linux-image-oem-24.04Ubuntu
Fixed in:6.8.0-1008.8USN-6893-1
linux-image-oem-24.04aUbuntu
Fixed in:6.8.0-1008.8USN-6893-1
linux-image-oem-osp1Ubuntu
Fixed in:5.4.0.189.209~18.04.1USN-6896-2
Fixed in:5.4.0.189.187USN-6896-1
linux-image-oracleUbuntu
Fixed in:5.4.0.1127.136~18.04.1USN-6896-2
Fixed in:5.15.0.1063.69~20.04.1USN-6898-2
Fixed in:6.8.0-1008.8USN-6918-1
linux-image-oracle-64kUbuntu
Fixed in:6.8.0-1008.8USN-6918-1
linux-image-oracle-lts-20.04Ubuntu
Fixed in:5.4.0.1127.120USN-6896-3
linux-image-oracle-lts-22.04Ubuntu
Fixed in:5.15.0.1063.59USN-6898-1
linux-image-raspiUbuntu
Fixed in:5.4.0.1112.142USN-6896-4
Fixed in:5.15.0.1058.56USN-6919-1
Fixed in:6.8.0-1007.7USN-6893-1
linux-image-raspi-hwe-18.04Ubuntu
Fixed in:5.4.0.1112.124~18.04.1USN-6896-4
linux-image-raspi-nolpaeUbuntu
Fixed in:5.15.0.1058.56USN-6919-1
linux-image-raspi2Ubuntu
Fixed in:5.4.0.1112.142USN-6896-4
linux-image-snapdragon-hwe-18.04Ubuntu
Fixed in:5.4.0.189.209~18.04.1USN-6896-2
linux-image-virtualUbuntu
Fixed in:5.4.0.189.187USN-6896-1
Fixed in:5.15.0.116.116USN-6898-1
Fixed in:6.8.0-38.38USN-6893-1
linux-image-virtual-hwe-18.04Ubuntu
Fixed in:5.4.0.189.209~18.04.1USN-6896-2
linux-image-virtual-hwe-20.04Ubuntu
Fixed in:5.15.0.116.126~20.04.1USN-6898-3
linux-image-virtual-hwe-24.04Ubuntu
Fixed in:6.8.0-38.38USN-6893-1
linux-image-xilinx-zynqmpUbuntu
Fixed in:5.4.0.1047.47USN-6896-3
Fixed in:5.15.0.1035.39USN-7019-1
linux-intelUbuntu
Fixed in:6.8.0-1007.14USN-6893-1
linux-intel-iotgUbuntu
Fixed in:5.15.0-1060.66USN-6898-1
linux-intel-iotg-5.15Ubuntu
Fixed in:5.15.0-1060.66~20.04.1USN-6898-1
linux-iotUbuntu
Fixed in:5.4.0-1040.41USN-6896-5
linux-kvmUbuntu
Fixed in:5.4.0-1116.123USN-6896-1
Fixed in:5.15.0-1062.67USN-6898-1
linux-lowlatencyUbuntu
Fixed in:5.15.0-116.126USN-6898-2
Fixed in:6.8.0-38.38.1USN-6893-1
linux-lowlatency-hwe-5.15Ubuntu
Fixed in:5.15.0-116.126~20.04.1USN-6898-2
linux-nvidiaUbuntu
Fixed in:5.15.0-1060.61USN-6898-1
Fixed in:6.8.0-1009.9USN-6893-2
linux-oem-6.8Ubuntu
Fixed in:6.8.0-1008.8USN-6893-1
linux-oracleUbuntu
Fixed in:5.4.0-1127.136USN-6896-3
Fixed in:5.15.0-1063.69USN-6898-1
Fixed in:6.8.0-1008.8USN-6918-1
linux-oracle-5.15Ubuntu
Fixed in:5.15.0-1063.69~20.04.1USN-6898-2
linux-oracle-5.4Ubuntu
Fixed in:5.4.0-1127.136~18.04.1USN-6896-2
linux-raspiUbuntu
Fixed in:5.4.0-1112.124USN-6896-4
Fixed in:5.15.0-1058.61USN-6919-1
Fixed in:6.8.0-1007.7USN-6893-1
linux-raspi-5.4Ubuntu
Fixed in:5.4.0-1112.124~18.04.1USN-6896-4
linux-xilinx-zynqmpUbuntu
Fixed in:5.4.0-1047.51USN-6896-3
Fixed in:5.15.0-1035.39USN-7019-1

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

0.18%probability of exploitation in 30 days
8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

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CVE-2024-26999 severity badge

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[![CVE-2024-26999](https://tridentstack.com/cve/badge/CVE-2024-26999.svg)](https://tridentstack.com/cve/CVE-2024-26999)

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<a href="https://tridentstack.com/cve/CVE-2024-26999"><img src="https://tridentstack.com/cve/badge/CVE-2024-26999.svg" alt="CVE-2024-26999"></a>

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TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

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This 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 2025-11-04.