CVE-2022-50363 — Use After Free in Linux

CWE-416 — Use After FreeCWE-767 — Access to Critical Private Variable via Public Method5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 17

Description

In the Linux kernel, the following vulnerability has been resolved: skmsg: pass gfp argument to alloc_sk_msg() syzbot found that alloc_sk_msg() could be called from a non sleepable context. sk_psock_verdict_recv() uses rcu_read_lock() protection. We need the callers to pass a gfp_t argument to avoid issues. syzbot report was: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 3613, name: syz-executor414 p…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel6.0 — 6.0.6+1
▶Debianlinux/linux_kernel< 6.0.6-1+2
▶CVEListV5linux/linux43312915b5ba20741617dd2119e835205fa8580c — 693ddd6ffc05b228ea1638f9d757c5d3541f9446+2
▶debiandebian/linux< linux 6.0.6-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
OSV
CVE-2022-50363: In the Linux kernel, the following vulnerability has been resolved: skmsg: pass gfp argument to alloc_sk_msg() syzbot found that alloc_sk_msg() could↗2025-09-17
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GHSA
GHSA-4h52-q6mh-w82h: In the Linux kernel, the following vulnerability has been resolved: skmsg: pass gfp argument to alloc_sk_msg() syzbot found that alloc_sk_msg() coul↗2025-09-17
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📋Vendor Advisories

2
Red Hat
kernel: skmsg: pass gfp argument to alloc_sk_msg()↗2025-09-17
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Debian
CVE-2022-50363: linux - In the Linux kernel, the following vulnerability has been resolved: skmsg: pass...↗2022
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CVE-2022-50363 — Use After Free in Linux | cvebase