CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free of signing key Customers have reported use-after-free in @ses->auth_key.response with SMB2.1 + sign mounts which occurs due to following race: task A task B cifs_mount() dfs_mount_share() get_session() cifs_mount_get_session() cifs_send_recv() cifs_get_smb_ses() compound_send_recv() cifs_setup_session() smb2_setup_request() kfree_sensitive() smb2_calc_signature() crypto_shash_setkey() *UAF* Fix this by ensuring that we have a valid @ses->auth_key.response by checking whether @ses->ses_status is SES_GOOD or SES_EXITING with @ses->ses_lock held. After commit 24a9799aa8ef ("smb: client: fix UAF in smb2_reconnect_server()"), we made sure to call ->logoff() only when @ses was known to be good (e.g. valid ->auth_key.response), so it's safe to access signing key when @ses->ses_status == SES_EXITING.
Засегнати продукти
- Linux Linux: 32811d242ff6f28da2ab18c90a15e32fd958e774 преди 0944c2596c2a3442735b5bb6714a17a16188a68f; 32811d242ff6f28da2ab18c90a15e32fd958e774 преди 39619c65ab4bbb3e78c818f537687653e112764d; 32811d242ff6f28da2ab18c90a15e32fd958e774 преди 0e2b654a3848bf9da3b0d54c1ccf3f1b8c635591; 32811d242ff6f28da2ab18c90a15e32fd958e774 преди 343d7fe6df9e247671440a932b6a73af4fa86d95
- Linux Linux: 3.12; преди 3.12; 6.1.191 до 6.1.*; 6.6.70 до 6.6.*; 6.12.2 до 6.12.*; от 6.13 нататък
Вид слабост
История
- 27 декември 2024 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2024-53179
- https://nvd.nist.gov/vuln/detail/CVE-2024-53179
- https://git.kernel.org/stable/c/0944c2596c2a3442735b5bb6714a17a16188a68f
- https://git.kernel.org/stable/c/39619c65ab4bbb3e78c818f537687653e112764d
- https://git.kernel.org/stable/c/0e2b654a3848bf9da3b0d54c1ccf3f1b8c635591
- https://git.kernel.org/stable/c/343d7fe6df9e247671440a932b6a73af4fa86d95