CVE-2021-46963 Affecting kernel-default-base package, versions <5.3.18-150200.24.188.1.150200.9.95.3


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-SLES152-KERNELDEFAULTBASE-6690379
  • published29 Apr 2024
  • disclosed26 Apr 2024

Introduced: 26 Apr 2024

CVE-2021-46963  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-default-base to version 5.3.18-150200.24.188.1.150200.9.95.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-base package and not the kernel-default-base package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand()

RIP: 0010:kmem_cache_free+0xfa/0x1b0
Call Trace:
   qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx]
   scsi_queue_rq+0x5e2/0xa40
   __blk_mq_try_issue_directly+0x128/0x1d0
   blk_mq_request_issue_directly+0x4e/0xb0

Fix incorrect call to free srb in qla2xxx_mqueuecommand(), as srb is now allocated by upper layers. This fixes smatch warning of srb unintended free.

CVSS Scores

version 3.1