CVE-2023-52690: powerpc/powernv: Add a null pointer check to scom_debug_init_one()
First published: Fri May 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check to scom_debug_init_one() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Add a null pointer check, and release 'ent' to avoid memory leaks.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 |
| >=5.4<5.4.268 | ||
| >=5.5<5.10.209 | ||
| >=5.11<5.15.148 | ||
| >=5.16<6.1.75 | ||
| >=6.2<6.6.14 | ||
| >=6.7<6.7.2 | ||
| =10.0 | ||
| Linux Kernel | >=5.4<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 | |
| Debian Linux | =10.0 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.135-1 6.12.25-1 6.12.27-1 |
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Reference Links
- https://git.kernel.org/stable/c/1eefa93faf69188540b08b024794fa90b1d82e8b
- https://git.kernel.org/stable/c/2a82c4439b903639e0a1f21990cd399fb0a49c19
- https://git.kernel.org/stable/c/9a260f2dd827bbc82cc60eb4f4d8c22707d80742
- https://git.kernel.org/stable/c/a9c05cbb6644a2103c75b6906e9dafb9981ebd13
- https://git.kernel.org/stable/c/dd8422ff271c22058560832fc3006324ded895a9
- https://git.kernel.org/stable/c/ed8d023cfa97b559db58c0e1afdd2eec7a83d8f2
- https://git.kernel.org/stable/c/f84c1446daa552e9699da8d1f8375eac0f65edc7
- https://launchpad.net/bugs/cve/CVE-2023-52690
- https://access.redhat.com/security/cve/CVE-2023-52690
- https://lore.kernel.org/linux-cve-announce/2024051753-CVE-2023-52690-f225@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281304
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2281303
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52690
- https://nvd.nist.gov/vuln/detail/CVE-2023-52690
- https://security-tracker.debian.org/tracker/CVE-2023-52690
- https://ubuntu.com/security/CVE-2023-52690
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
- https://git.kernel.org/linus/9a260f2dd827bbc82cc60eb4f4d8c22707d80742
Frequently Asked Questions
What is the severity of CVE-2023-52690?
CVE-2023-52690 has a medium severity level due to its potential impact on system stability.
How do I fix CVE-2023-52690?
To fix CVE-2023-52690, update the Linux kernel to the appropriate patched version outlined in the remediation section.
Which versions of the kernel are affected by CVE-2023-52690?
CVE-2023-52690 affects several versions of the Linux kernel, specifically versions prior to 5.4.268, 5.10.209, 5.15.148, 6.1.75, 6.6.14, 6.7.2, and 6.8.
What is the nature of CVE-2023-52690?
CVE-2023-52690 is a vulnerability related to a null pointer dereference issue in the Linux kernel's powerpc subsystem.
Is CVE-2023-52690 specific to certain distributions?
Yes, CVE-2023-52690 is reported for the Red Hat and Debian Linux distributions.
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