CVE-2022-24958

drivers/usb/gadget/legacy/inode.c in the Linux kernel through 5.16.8 mishandles dev->buf release.

Weakness

The application attempts to return a memory resource to the system, but calls the wrong release function or calls the appropriate release function incorrectly.

Affected Software

Extended Description

This weakness can take several forms, such as:

Potential Mitigations

• Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
• For example, glibc in Linux provides protection against free of invalid pointers.

References

• https://github.com/torvalds/linux/commit/501e38a5531efbd77d5c73c0ba838a889bfc1d74
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=89f3594d0de58e8a57d92d497dea9fee3d4b9cda
• https://github.com/torvalds/linux/commit/89f3594d0de58e8a57d92d497dea9fee3d4b9cda
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TCW2KZYJ2H6BKZE3CVLHRIXYDGNYYC5P/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SUVZA2YVOQJBJTDIDQ5HF5TAU2C6WP6H/
• https://security.netapp.com/advisory/ntap-20220225-0008/
• https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html