CVE-2021-46963High· 7.8▾ TwilightIn 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] …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 4.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
0.2% → 0.2%
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.
linux_kernel >= 4.19.90, < 4.19.191linux_kernel >= 5.4.4, < 5.4.118linux_kernel >= 5.5, < 5.10.36linux_kernel >= 5.11, < 5.11.20linux_kernel >= 5.12, < 5.12.3Upgrade past the affected range:
linux_kernel 5.12.3Connected by shared product, vendor, weakness, or advisory.
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