CVE-2023-52675: powerpc/imc-pmu: Add a null pointer check in update_events_in_group()
First published: Fri May 17 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.306 | 4.19.306 |
| redhat/kernel | <5.4.268 | 5.4.268 |
| redhat/kernel | <5.10.209 | 5.10.209 |
| redhat/kernel | <5.15.148 | 5.15.148 |
| redhat/kernel | <6.1.75 | 6.1.75 |
| redhat/kernel | <6.6.14 | 6.6.14 |
| redhat/kernel | <6.7.2 | 6.7.2 |
| redhat/kernel | <6.8 | 6.8 |
| Linux Kernel | >=4.14<4.19.306 | |
| Linux Kernel | >=4.20<5.4.268 | |
| Linux Kernel | >=5.5<5.10.209 | |
| Linux Kernel | >=5.11<5.15.148 | |
| Linux Kernel | >=5.16<6.1.75 | |
| Linux Kernel | >=6.2<6.6.14 | |
| Linux Kernel | >=6.7<6.7.2 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 6.12.22-1 |
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Reference Links
- 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://launchpad.net/bugs/cve/CVE-2023-52675
- https://access.redhat.com/security/cve/CVE-2023-52675
- https://lore.kernel.org/linux-cve-announce/2024051749-CVE-2023-52675-4d66@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281335
- https://access.redhat.com/errata/RHSA-2024:4211
- https://bugzilla.redhat.com/show_bug.cgi?id=2281334
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52675
- https://nvd.nist.gov/vuln/detail/CVE-2023-52675
- https://security-tracker.debian.org/tracker/CVE-2023-52675
- https://ubuntu.com/security/CVE-2023-52675
- https://git.kernel.org/linus/0a233867a39078ebb0f575e2948593bbff5826b3
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-52675?
CVE-2023-52675 has been classified as a moderate severity vulnerability.
How do I fix CVE-2023-52675?
To resolve CVE-2023-52675, update the Linux kernel to one of the fixed versions provided by your distribution.
Which Linux kernel versions are affected by CVE-2023-52675?
CVE-2023-52675 affects many Linux kernel versions prior to 4.19.306, 5.4.268, 5.10.209, 5.15.148, 6.1.75, and various versions in the 6.x series.
What impact does CVE-2023-52675 have?
CVE-2023-52675 could potentially allow a local user to exploit a null pointer dereference in the Linux kernel.
Are there any known exploits for CVE-2023-52675?
At this time, there are no known public exploits specifically targeting CVE-2023-52675.
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