CVE-2022-49423

rtla: Avoid record NULL pointer dereference

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:12 AM UTC
Updated: June 17, 2026 at 05:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: rtla: Avoid record NULL pointer dereference Fix the following null/deref_null.cocci errors: ./tools/tracing/rtla/src/osnoise_hist.c:870:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/osnoise_top.c:650:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_hist.c:905:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_top.c:700:31-36: ERROR: record is NULL but dereferenced. "record" is NULL before calling osnoise_init_trace_tool. Add a tag "out_free" to avoid dereferring a NULL pointer.

Affected

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

5.18 ≤ v < 5.18.35.18 ≤ v < 5.195.1851d64c3a181938da8fb56404524e15776e9c6bf8
Vendor states this is fixed in 2a6b52ed72c822b5ee146a6a00ea66614fe02653 (fixed)
Vendor states this is fixed in b0f1c686baff74d5df10f2f46670ef4e24a75756 (fixed)
Vendor states this is fixed in 5.18 (unaffected)
Vendor states this is fixed in 5.18.3 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

Remediation

No guide yet

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

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2a6b52ed72c822b5ee146a6a00ea66614fe02653
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b0f1c686baff74d5df10f2f46670ef4e24a75756

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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