What’s Vulnerable › Vulnerabilities

CVE-2022-3424

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-06 · updated 2026-06-17
• Weakness: CWE-416

Description

A use-after-free flaw was found in the Linux kernel’s SGI GRU driver in the way the first gru_file_unlocked_ioctl function is called by the user, where a fail pass occurs in the gru_check_chiplet_assignment function. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Affected products

• Linux kernel: from 2.6.33 before 4.9.337; from 4.10 before 4.14.303; from 4.15 before 4.19.270; from 4.20 before 5.4.229; from 5.5 before 5.10.163; from 5.11 before 5.15.86 — fixed in 4.14.303, 4.19.270, 4.9.337, 5.10.163, 5.15.86, 5.4.229
• Red Hat Enterprise Linux: 9.0

How to fix

Upgrade to a fixed version: Linux kernel 4.14.303, 4.19.270, 4.9.337, 5.10.163. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2132640
• https://github.com/torvalds/linux/commit/643a16a0eb1d6ac23744bb6e90a00fc21148a9dc
• https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
• https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
• https://lore.kernel.org/all/20221019031445.901570-1-zyytlz.wz%40163.com/
• https://security.netapp.com/advisory/ntap-20230406-0005/
• https://www.spinics.net/lists/kernel/msg4518970.html
• https://bugzilla.redhat.com/show_bug.cgi?id=2132640
• https://github.com/torvalds/linux/commit/643a16a0eb1d6ac23744bb6e90a00fc21148a9dc
• https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
• https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
• https://lore.kernel.org/all/20221019031445.901570-1-zyytlz.wz%40163.com/

Get alerted when CVE-2022-3424 or the next vulnerability affects your stack