| Name | CVE-2026-64379 |
| Description | In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parse_dacl() applies the server-provided sub_auth[2] value from the NFS mode SID to cf_mode without masking to 07777. Apply the correct masking, same as in the read path. |
| 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) |
| References | DLA-4717-1, DLA-4720-1, DLA-4723-1, DLA-4724-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | vulnerable |
| bullseye (security) | 5.10.262-1 | fixed | |
| bookworm | 6.1.176-1 | vulnerable | |
| bookworm (security) | 6.1.180-1 | fixed | |
| trixie | 6.12.94-1 | vulnerable | |
| trixie (security) | 6.12.101-1 | fixed | |
| forky | 7.1.7-1 | fixed | |
| sid | 7.1.8-1 | fixed | |
| linux-6.1 (PTS) | bullseye (security) | 6.1.180-1~deb11u1 | fixed |
| linux-6.12 (PTS) | bookworm (security) | 6.12.100-1~deb12u1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | bullseye | 5.10.262-1 | DLA-4717-1 | ||
| linux | source | bookworm | 6.1.180-1 | DLA-4720-1 | ||
| linux | source | trixie | 6.12.96-1 | |||
| linux | source | (unstable) | 7.1.4-1 | |||
| linux-6.1 | source | bullseye | 6.1.180-1~deb11u1 | DLA-4723-1 | ||
| linux-6.12 | source | bookworm | 6.12.100-1~deb12u1 | DLA-4724-1 |
https://git.kernel.org/linus/e3d9c7160d483fc8f9e225aafad8ecbbc43f3151 (7.2-rc3)