CVE-2021-46963scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand()
- 7.8HighCVSS base score
- 0.25%Exploitation in 30 daysEPSS · top 84% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By Linux
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.25% · top 84% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 64a8c5018a4b21b04a756a56c495ef47c14e92d9 – < c5ab9b67d8b061de74e2ca51bf787ee599bd7f89
- affected dea6ee7173039d489977c9ed92e3749154615db4 – < 77509a238547863040a42d57c72403f7d4c89a8f
- affected af2a0c51b1205327f55a7e82e530403ae1d42cbb – < 702cdaa2c6283c135ef16d52e0e4e3c1005aa538
- affected af2a0c51b1205327f55a7e82e530403ae1d42cbb – < 80ef24175df2cba3860d0369d1c662b49ee2de56
- affected af2a0c51b1205327f55a7e82e530403ae1d42cbb – < a73208e3244127ef9f2cdf24e4adb947aaa32053
- affected af2a0c51b1205327f55a7e82e530403ae1d42cbb – < 6641df81ab799f28a5d564f860233dd26cca0d93
- affected 4a1cc2f71bc57cf8dee6f58e7d2355a43aabb312
- affected 4.19.90 – < 4.19.191
- affected 5.4.4 – < 5.4.118
- affected 5.3.17 – < 5.4
- affected 5.5
- unaffected < 5.5
- unaffected 4.19.191 – ≤ 4.19.*
- unaffected 5.4.118 – ≤ 5.4.*
- unaffected 5.10.36 – ≤ 5.10.*
- unaffected 5.11.20 – ≤ 5.11.*
- unaffected 5.12.3 – ≤ 5.12.*
- unaffected 5.13 – ≤ *
References
References6
- https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-33611 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-46963)Record last updated .