CVE-2023-53006cifs: Fix oops due to uncleared server->smbd_conn in reconnect
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: cifs: Fix oops due to uncleared server->smbd_conn in reconnect In smbd_destroy(), clear the server->smbd_conn pointer after freeing the smbd_connection struct that it points to so that reconnection doesn't get confused.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from 8ef130f9ec27973f7b49e20c5a3b9134ca33026c before a9640c0b268405f2540e8203a545e930ea88bb7d; from 8ef130f9ec27973f7b49e20c5a3b9134ca33026c before 91be54849d5392050f5b847b42bd5e6221551ac8; from 8ef130f9ec27973f7b49e20c5a3b9134ca33026c before e037baee16e0b9ace7e730888fcae9cec11daff2; 8ef130f9ec27973f7b49e20c5a3b9134ca33026c builds before 4b83bc6f87eedab4599b0123e572a422689444be; from 8ef130f9ec27973f7b49e20c5a3b9134ca33026c before 5109607a4ece7cd8536172bf7549eb4dce1f3576; from 8ef130f9ec27973f7b49e20c5a3b9134ca33026c before b7ab9161cf5ddc42a288edf9d1a61f3bdffe17c7 | CNA record |
linux linux_kernel linux:linux_kernel | from 4.16 before 4.19.272; from 4.20 before 5.4.231; from 5.5 before 5.10.166; from 5.11 before 5.15.91; from 5.16 before 6.1.9; 6.2; 6.2; 6.2; and 2 more ranges | NVD |
References
- https://git.kernel.org/stable/c/a9640c0b268405f2540e8203a545e930ea88bb7dpatch
- https://git.kernel.org/stable/c/91be54849d5392050f5b847b42bd5e6221551ac8patch
- https://git.kernel.org/stable/c/e037baee16e0b9ace7e730888fcae9cec11daff2patch
- https://git.kernel.org/stable/c/4b83bc6f87eedab4599b0123e572a422689444bepatch
- https://git.kernel.org/stable/c/5109607a4ece7cd8536172bf7549eb4dce1f3576patch
- https://git.kernel.org/stable/c/b7ab9161cf5ddc42a288edf9d1a61f3bdffe17c7patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.