CVE-2026-23303

NameCVE-2026-23303
DescriptionIn the Linux kernel, the following vulnerability has been resolved: smb: client: Don't log plaintext credentials in cifs_set_cifscreds When debug logging is enabled, cifs_set_cifscreds() logs the key payload and exposes the plaintext username and password. Remove the debug log to avoid exposing credentials.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-4561-1, DSA-6238-1, DSA-6243-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1vulnerable
bullseye (security)5.10.251-3vulnerable
bookworm6.1.159-1vulnerable
bookworm (security)6.1.170-1fixed
trixie6.12.73-1vulnerable
trixie (security)6.12.85-1fixed
forky6.19.14-1fixed
sid7.0.3-1fixed
linux-6.1 (PTS)bullseye (security)6.1.170-1~deb11u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebookworm6.1.170-1DSA-6243-1
linuxsourcetrixie6.12.85-1DSA-6238-1
linuxsource(unstable)6.19.8-1
linux-6.1sourcebullseye6.1.170-1~deb11u1DLA-4561-1

Notes

https://git.kernel.org/linus/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d (7.0-rc2)

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