CVE-2023-52690: powerpc/powernv: Add a null pointer check to scom_debug_init_one()
In the Linux kernel, the following vulnerability has been resolved:
powerpc/powernv: Add a null pointer check to scomdebuginitone()
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.
Other sources
In the Linux kernel, the following vulnerability has been resolved:
powerpc/powernv: Add a null pointer check to scomdebuginitone()
The Linux kernel CVE team has assigned CVE-2023-52690 to this issue.
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024051753-CVE-2023-52690-f225@gregkh/T
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 5.4.268 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 5.10.209 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 5.15.148 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.1.75 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.6.14 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.7.2 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.8
Event History
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.