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CVE-2026-64111

lsm: hold cred_guard_mutex for lsm_set_self_attr() PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: lsm: hold cred_guard_mutex for lsm_set_self_attr() Just as proc_pid_attr_write() already does before calling the LSM hook. This only matters for SELinux and AppArmor which check whether the process is being ptraced and if so, whether to allow the transition.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected a04a1198088a1378d0389c250cc684f649bcc91e before 82d3acee88593e3d9e71cad4b7d6b3cf70de9d07; affected a04a1198088a1378d0389c250cc684f649bcc91e before 5b906f31e977286888a9e31282589b545b249139; affected a04a1198088a1378d0389c250cc684f649bcc91e before a010cadaf5727b8417f62fe9021fcef14a5f9b51; affected a04a1198088a1378d0389c250cc684f649bcc91e before 4a9b16541ad3faf8bccb398532bf3f8b6bbf1188
Linux / Linuxaffected 6.8; unaffected 0 before 6.8; unaffected 6.12.92 through 6.12.*; unaffected 6.18.34 through 6.18.*; unaffected 7.0.11 through 7.0.*; unaffected 7.1 through *

CWE

No CWE identifiers supplied.

References