CVE-2024-46842scsi: lpfc: Handle mailbox timeouts in lpfc_get_sfp_info
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: scsi: lpfc: Handle mailbox timeouts in lpfc_get_sfp_info The MBX_TIMEOUT return code is not handled in lpfc_get_sfp_info and the routine unconditionally frees submitted mailbox commands regardless of return status. The issue is that for MBX_TIMEOUT cases, when firmware returns SFP information at a later time, that same mailbox memory region references previously freed memory in its cmpl routine. Fix by adding checks for the MBX_TIMEOUT return code. During mailbox resource cleanup, check the mbox flag to make sure that the wait did not timeout. If the MBOX_WAKE flag is not set, then do not free the resources because it will be freed when firmware completes the mailbox at a later time in its cmpl routine. Also, increase the timeout from 30 to 60 seconds to accommodate boot scripts requiring longer timeouts.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/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 21, 2026
- First seen by InfoSec Signals
- Oct 21, 2026
Affected products
Linux Linux linux:linux (from the name) | from 479b0917e4477f49df2e3be454aac3cfa5dec171 before c6d8cce685d6088d795b29a0f47e6fd04548fd64; from 479b0917e4477f49df2e3be454aac3cfa5dec171 before bba47fe3b038cca3d3ebd799665ce69d6d273b58; from 479b0917e4477f49df2e3be454aac3cfa5dec171 before ede596b1434b57c0b3fd5c02b326efe5c54f6e48 | CNA record |
linux linux_kernel linux:linux_kernel | before 6.10.10 | NVD |
References
- https://git.kernel.org/stable/c/c6d8cce685d6088d795b29a0f47e6fd04548fd64
- https://git.kernel.org/stable/c/bba47fe3b038cca3d3ebd799665ce69d6d273b58patch
- https://git.kernel.org/stable/c/ede596b1434b57c0b3fd5c02b326efe5c54f6e48patch
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.