What’s Vulnerable › Vulnerabilities
CVE-2023-52675: powerpc/imc-pmu: Add a null pointer check in update_events_in_group()
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-05-17 · updated 2026-10-15
- Weakness: CWE-476
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 products
- Linux kernel: from 4.14 before 4.19.306; from 4.20 before 5.4.268; from 5.5 before 5.10.209; from 5.11 before 5.15.148; from 5.16 before 6.1.75; from 6.2 before 6.6.14 — fixed in 4.19.306, 5.10.209, 5.15.148, 5.4.268, 6.1.75, 6.6.14
How to fix
Upgrade to a fixed version: Linux kernel 4.19.306, 5.10.209, 5.15.148, 5.4.268. Check the vendor advisory for mitigations.
References
- https://git.kernel.org/stable/c/024352f7928b28f53609660663329d8c0f4ad032
- https://git.kernel.org/stable/c/0a233867a39078ebb0f575e2948593bbff5826b3
- https://git.kernel.org/stable/c/1e80aa25d186a7aa212df5acd8c75f55ac8dae34
- https://git.kernel.org/stable/c/5a669f3511d273c8c1ab1c1d268fbcdf53fc7a05
- https://git.kernel.org/stable/c/75fc599bcdcb1de093c9ced2e3cccc832f3787f3
- https://git.kernel.org/stable/c/a2da3f9b1a1019c887ee1d164475a8fcdb0a3fec
- https://git.kernel.org/stable/c/c7d828e12b326ea50fb80c369d7aa87519ed14c6
- https://git.kernel.org/stable/c/f105c263009839d80fad6998324a4e1b3511cba0
- https://git.kernel.org/stable/c/024352f7928b28f53609660663329d8c0f4ad032
- https://git.kernel.org/stable/c/0a233867a39078ebb0f575e2948593bbff5826b3
- https://git.kernel.org/stable/c/1e80aa25d186a7aa212df5acd8c75f55ac8dae34
- https://git.kernel.org/stable/c/5a669f3511d273c8c1ab1c1d268fbcdf53fc7a05
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