Vulnerability Details : CVE-2021-46963
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.
Products affected by CVE-2021-46963
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-46963
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-46963
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | 2024-12-11 |
References for CVE-2021-46963
-
https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56
scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538
scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93
scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f
scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89
scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053
scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() - kernel/git/stable/linux.git - Linux kernel stable treePatch
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