🛡️ AZL-50135 — kernel

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2024-46842 affecting package kernel 5.15.200.1-1

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

AZL-50135 is recorded against 1 package.

  • kernel

Timeline and source

Published on 27 September 2024 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2024-09-27
Updated 2026-08-12
Modified 2026-04-21
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel — —

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