CVE-2026-52967

Name	CVE-2026-52967
Description	In the Linux kernel, the following vulnerability has been resolved: smb/client: fix possible infinite loop and oob read in symlink_data() On 32-bit architectures, the infinite loop is as follows: len = p->ErrorDataLength == 0xfffffff8 u8 next = p->ErrorContextData + len next == p On 32-bit architectures, the out-of-bounds read is as follows: len = p->ErrorDataLength == 0xfffffff0 u8 next = p->ErrorContextData + len next == (u8 *)p - 8
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.257-1	fixed
	bookworm	6.1.170-3	vulnerable
	bookworm (security)	6.1.174-1	vulnerable
	trixie	6.12.86-1	vulnerable
	trixie (security)	6.12.94-1	fixed
	forky	7.0.12-2	fixed
	sid	7.0.13-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version
linux	source	bullseye	(not affected)
linux	source	trixie	6.12.94-1
linux	source	(unstable)	7.0.10-1

[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/7d9a7f1f96cd617ee9e75bb22217c709038e26b8 (7.1-rc4)