CVE-2026-45848
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL sock in aa_sock_file_perm Deal with the potential that sock and sock-sk can be NULL during socket setup or teardown. This could lead to an oops. The fix for NULL pointer dereference in __unix_needs_revalidation shows this is at least possible for af_unix sockets. While the fix for af_unix sockets applies for newer mediation this is still the fall back path for older af_unix mediation and other sockets, so ensure it is covered.
취약점 유형
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL sock in aa_sock_file_perm Deal with the potential that sock and sock-sk can be NULL during socket setup or teardown. This could lead to an oops. The fix for NULL pointer dereference in __unix_needs_revalidation shows this is at least possible for af_unix sockets. While the fix for af_unix sockets applies for newer mediation this is still the fall back path for older af_unix mediation and other sockets, so ensure it is covered.
영향받는 제품
- linux linux_kernel
참고 자료
- https://git.kernel.org/stable/c/00b67657535dfea56e84d11492f5c0f61d0af297
- https://git.kernel.org/stable/c/0dc19bca22606f7a61d5988408f74e3ae0ef3486
- https://git.kernel.org/stable/c/3852eb9a0392eb435c03dcb47d581bcfe6a9a95b
- https://git.kernel.org/stable/c/5121b7283f1c46e4c06b88b1dda7b064429d77de
- https://git.kernel.org/stable/c/68538ec34fcb4194c7961dc4eca6f5537fec8067
- https://git.kernel.org/stable/c/8a0ededbfcff74598f82f1d4b8ef9db28878b317
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