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CVE-2022-3543

Linux Kernel BPF af_unix.c unix_release_sock memory leak

MEDIUM
5.5
CVSS Score
Published: October 17, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:59 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

Description

A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function unix_sock_destructor/unix_release_sock of the file net/unix/af_unix.c of the component BPF. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211043.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
v < 6.1
Affected range stops below 6.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

PatchVendor Advisory
Source: [email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=7a62ed61367b8fd01bae1e18e30602c25060d824
Permissions Required
Source: [email protected]
https://vuldb.com/?id.211043

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-404CWE-401

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