linux: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix user-after-free from session log off...
CVE-2024-50086 is fixed in 15 products on 1 platform, first by DEBIAN-CVE-2024-50086, released October 29, 2024. It is not reported as exploited. Patch Radar priority: High.
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix user-after-free from session log off There is racy issue between smb2 session log off and smb2 session setup. It will cause user-after-free from session log off. This add session_lock when setting SMB2_SESSION_EXPIRED and referece count to session struct not to free session while it is being used.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| bpftool · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-container · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-container · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-container-debug · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-container-debug · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-core · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-core · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug-core · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug-core · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug-devel · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug-devel · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug-modules · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug-modules · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug-modules-extra · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-debug-modules-extra · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-devel · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-devel · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-doc · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-doc · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-modules · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-modules · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-modules-extra · ol 8 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| kernel-uek-modules-extra · ol 9 | 0:5.15.0-303.171.5.2.el9uek | ELSA-2024-12887 | Dec 18, 2024 |
| linux · Debian 12.15 (bookworm) | 6.1.115-1 | DEBIAN-CVE-2024-50086 | Oct 29, 2024 |
| linux · Debian 13.5 (trixie) | 6.11.5-1 | DEBIAN-CVE-2024-50086 | Oct 29, 2024 |
| linux · Debian 14 | 6.11.5-1 | DEBIAN-CVE-2024-50086 | Oct 29, 2024 |
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