CVE-2024-46737: nvmet-tcp: fix kernel crash if commands allocation fails
First published: Wed Sep 18 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix kernel crash if commands allocation fails If the commands allocation fails in nvmet_tcp_alloc_cmds() the kernel crashes in nvmet_tcp_release_queue_work() because of a NULL pointer dereference. nvmet: failed to install queue 0 cntlid 1 ret 6 Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 Fix the bug by setting queue->nr_cmds to zero in case nvmet_tcp_alloc_cmd() fails.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=5.0<5.4.284 | |
| Linux Linux kernel | >=5.5<5.10.226 | |
| Linux Linux kernel | >=5.11<5.15.167 | |
| Linux Linux kernel | >=5.16<6.1.110 | |
| Linux Linux kernel | >=6.2<6.6.51 | |
| Linux Linux kernel | >=6.7<6.10.10 | |
| Linux Linux kernel | =6.11-rc1 | |
| Linux Linux kernel | =6.11-rc2 | |
| Linux Linux kernel | =6.11-rc3 | |
| Linux Linux kernel | =6.11-rc4 | |
| Linux Linux kernel | =6.11-rc5 | |
| Linux Linux kernel | =6.11-rc6 | |
| debian/linux | <=5.10.223-1 | 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 |
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Reference Links
- https://git.kernel.org/stable/c/03e1fd0327fa5e2174567f5fe9290fe21d21b8f4
- https://git.kernel.org/stable/c/489f2913a63f528cfe3f21722583fb981967ecda
- https://git.kernel.org/stable/c/50632b877ce55356f5d276b9add289b1e7ddc683
- https://git.kernel.org/stable/c/5572a55a6f830ee3f3a994b6b962a5c327d28cb3
- https://git.kernel.org/stable/c/6c04d1e3ab22cc5394ef656429638a5947f87244
- https://git.kernel.org/stable/c/7957c731fc2b23312f8935812dee5a0b14b04e2d
- https://git.kernel.org/stable/c/91dad30c5607e62864f888e735d0965567827bdf
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-46737
- https://nvd.nist.gov/vuln/detail/CVE-2024-46737
- https://launchpad.net/bugs/cve/CVE-2024-46737
- https://security-tracker.debian.org/tracker/CVE-2024-46737
- https://ubuntu.com/security/CVE-2024-46737
- https://git.kernel.org/linus/5572a55a6f830ee3f3a994b6b962a5c327d28cb3
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