CVE-2022-50252 — Use After Free in Linux

CWE-416 — Use After Free5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 97.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 15

Description

In the Linux kernel, the following vulnerability has been resolved: igb: Do not free q_vector unless new one was allocated Avoid potential use-after-free condition under memory pressure. If the kzalloc() fails, q_vector will be freed but left in the original adapter->q_vector[v_idx] array position.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶NVDlinux/linux_kernel4.10 — 4.14.303+7
▶Debianlinux/linux_kernel< 5.10.178-1+3
▶CVEListV5linux/linux72ddef0506da852dc82f078f37ced8ef4d74a2bf — 64ca1969599857143e91aeec4440640656100803+12
▶debiandebian/linux< linux 6.1.4-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2022-50252: In the Linux kernel, the following vulnerability has been resolved: igb: Do not free q_vector unless new one was allocated Avoid potential use-after-f↗2025-09-15
▶
GHSA
GHSA-cp87-76w4-mfxp: In the Linux kernel, the following vulnerability has been resolved: igb: Do not free q_vector unless new one was allocated Avoid potential use-after↗2025-09-15
▶

📋Vendor Advisories

2
Red Hat
kernel: igb: Do not free q_vector unless new one was allocated↗2025-09-15
▶
Debian
CVE-2022-50252: linux - In the Linux kernel, the following vulnerability has been resolved: igb: Do not...↗2022
▶
CVE-2022-50252 — Use After Free in Linux | cvebase