CVE-2023-52675

powerpc/imc-pmu: Add a null pointer check in update_events_in_group()

MEDIUM
5.5
CVSS Score
Published: May 17, 2024 at 02:24 PM UTC
Updated: October 15, 2026 at 01:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/imc-pmu: Add a null pointer check in update_events_in_group() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.

Affected

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

4.14 ≤ v < 4.19.3064.20 ≤ v < 5.4.2685.11 ≤ v < 5.15.1485.16 ≤ v < 6.1.755.5 ≤ v < 5.10.2096.2 ≤ v < 6.6.146.7 ≤ v < 6.7.24.14885dcd709ba9120b9935415b8b0f9d1b94e5826b
Vendor states this is fixed in 024352f7928b28f53609660663329d8c0f4ad032 (fixed)
Vendor states this is fixed in 0a233867a39078ebb0f575e2948593bbff5826b3 (fixed)
Vendor states this is fixed in 1e80aa25d186a7aa212df5acd8c75f55ac8dae34 (fixed)
Vendor states this is fixed in 5a669f3511d273c8c1ab1c1d268fbcdf53fc7a05 (fixed)
Vendor states this is fixed in 75fc599bcdcb1de093c9ced2e3cccc832f3787f3 (fixed)
Vendor states this is fixed in a2da3f9b1a1019c887ee1d164475a8fcdb0a3fec (fixed)
Vendor states this is fixed in c7d828e12b326ea50fb80c369d7aa87519ed14c6 (fixed)
Vendor states this is fixed in f105c263009839d80fad6998324a4e1b3511cba0 (fixed)
Vendor states this is fixed in 4.14 (unaffected)
Vendor states this is fixed in 4.19.306 (unaffected)
Vendor states this is fixed in 5.10.209 (unaffected)
Vendor states this is fixed in 5.15.148 (unaffected)
Vendor states this is fixed in 5.4.268 (unaffected)
Vendor states this is fixed in 6.1.75 (unaffected)
Vendor states this is fixed in 6.6.14 (unaffected)
Vendor states this is fixed in 6.7.2 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

References (10)

Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/024352f7928b28f53609660663329d8c0f4ad032
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0a233867a39078ebb0f575e2948593bbff5826b3
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1e80aa25d186a7aa212df5acd8c75f55ac8dae34
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5a669f3511d273c8c1ab1c1d268fbcdf53fc7a05
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/75fc599bcdcb1de093c9ced2e3cccc832f3787f3
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a2da3f9b1a1019c887ee1d164475a8fcdb0a3fec
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c7d828e12b326ea50fb80c369d7aa87519ed14c6
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f105c263009839d80fad6998324a4e1b3511cba0

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-476

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