CVE-2021-46963
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedFeb 27, 2024
First seenFeb 27, 2024
How to fix
Update
- linux linux_kernel4.19.191, 5.4.118, 5.10.36, 5.11.20, 5.12.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.19.90 ≤ v < 4.19.191, 5.4.4 ≤ v < 5.4.118, 5.5 ≤ v < 5.10.36, 5.11 ≤ v < 5.11.20, 5.12 ≤ v < 5.12.3 | 4.19.191, 5.4.118, 5.10.36, 5.11.20, 5.12.3 |
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