lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <2024111948-CVE-2024-50286-85e9@gregkh> Date: Tue, 19 Nov 2024 02:32:41 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-50286: ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create Description =========== In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create There is a race condition between ksmbd_smb2_session_create and ksmbd_expire_session. This patch add missing sessions_table_lock while adding/deleting session from global session table. The Linux kernel CVE team has assigned CVE-2024-50286 to this issue. Affected and fixed versions =========================== Fixed in 6.1.117 with commit f56446ba5378 Fixed in 6.6.61 with commit e923503a56b3 Fixed in 6.11.8 with commit e7a2ad204437 Fixed in 6.12 with commit 0a77715db226 Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2024-50286 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: fs/smb/server/mgmt/user_session.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/f56446ba5378d19e31040b548a14ee9a8f1500ea https://git.kernel.org/stable/c/e923503a56b3385b64ae492e3225e4623f560c5b https://git.kernel.org/stable/c/e7a2ad2044377853cf8c59528dac808a08a99c72 https://git.kernel.org/stable/c/0a77715db22611df50b178374c51e2ba0d58866e
Powered by blists - more mailing lists