CVE & CISA-KEV Catalog

CVE-2025-40050

UNSCORED
NVD

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip scalar adjustment for BPF_NEG if dst is a pointer In check_alu_op(), the verifier currently calls check_reg_arg() and adjust_scalar_min_max_vals() unconditionally for BPF_NEG operations. However, if the destination register holds a pointer, these scalar adjustments are unnecessary and potentially incorrect. This patch adds a check to skip the adjustment logic when the destination register contains a pointer.

How to fix

Remediation Available
linuxUbuntu
Fixed in:6.17.0-14.14USN-8029-1
linux-awsUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-azureUbuntu
Fixed in:6.17.0-1008.8USN-8029-3
linux-gcpUbuntu
Fixed in:6.17.0-1007.7USN-8030-1
linux-image-6.17.0-1006-realtimeUbuntu
Fixed in:6.17.0-1006.7USN-8029-1
linux-image-6.17.0-1007-awsUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-6.17.0-1007-aws-64kUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-6.17.0-1007-gcpUbuntu
Fixed in:6.17.0-1007.7USN-8030-1
linux-image-6.17.0-1007-gcp-64kUbuntu
Fixed in:6.17.0-1007.7USN-8030-1
linux-image-6.17.0-1007-oracleUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-6.17.0-1007-oracle-64kUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-6.17.0-1008-azureUbuntu
Fixed in:6.17.0-1008.8USN-8029-3
linux-image-6.17.0-1008-raspiUbuntu
Fixed in:6.17.0-1008.8USN-8029-1
linux-image-6.17.0-1011-oemUbuntu
Fixed in:6.17.0-1011.11USN-8048-1
linux-image-6.17.0-14-genericUbuntu
Fixed in:6.17.0-14.14USN-8029-1
linux-image-6.17.0-14-generic-64kUbuntu
Fixed in:6.17.0-14.14USN-8029-1
linux-image-awsUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-aws-6.17Ubuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-aws-64kUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-aws-64k-6.17Ubuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-azureUbuntu
Fixed in:6.17.0-1008.8USN-8029-3
linux-image-azure-6.17Ubuntu
Fixed in:6.17.0-1008.8USN-8029-3
linux-image-gcpUbuntu
Fixed in:6.17.0-1007.7USN-8030-1
linux-image-gcp-6.17Ubuntu
Fixed in:6.17.0-1007.7USN-8030-1
linux-image-gcp-64kUbuntu
Fixed in:6.17.0-1007.7USN-8030-1
linux-image-gcp-64k-6.17Ubuntu
Fixed in:6.17.0-1007.7USN-8030-1
linux-image-genericUbuntu
Fixed in:6.17.0-14.14USN-8029-1
linux-image-generic-6.17Ubuntu
Fixed in:6.17.0-14.14USN-8029-1
linux-image-generic-64kUbuntu
Fixed in:6.17.0-14.14USN-8029-1
linux-image-generic-64k-6.17Ubuntu
Fixed in:6.17.0-14.14USN-8029-1
linux-image-oem-6.17Ubuntu
Fixed in:6.17.0-1011.11USN-8048-1
linux-image-oracleUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-oracle-6.17Ubuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-oracle-64kUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-oracle-64k-6.17Ubuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-image-raspiUbuntu
Fixed in:6.17.0-1008.8USN-8029-1
linux-image-raspi-6.17Ubuntu
Fixed in:6.17.0-1008.8USN-8029-1
linux-image-realtimeUbuntu
Fixed in:6.17.0-1006.7USN-8029-1
linux-image-realtime-6.17Ubuntu
Fixed in:6.17.0-1006.7USN-8029-1
linux-image-virtualUbuntu
Fixed in:6.17.0-14.14USN-8029-1
linux-image-virtual-6.17Ubuntu
Fixed in:6.17.0-14.14USN-8029-1
linux-oem-6.17Ubuntu
Fixed in:6.17.0-1011.11USN-8048-1
linux-oracleUbuntu
Fixed in:6.17.0-1007.7USN-8029-2
linux-raspiUbuntu
Fixed in:6.17.0-1008.8USN-8029-1
linux-realtimeUbuntu
Fixed in:6.17.0-1006.7USN-8029-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.20%probability of exploitation in 30 days
10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

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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 2025-10-30.