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Ubuntu: (CVE-2021-46963): linux vulnerability

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Ubuntu: (CVE-2021-46963): linux vulnerability

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
02/27/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

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.

Solution(s)

  • ubuntu-upgrade-linux
  • ubuntu-upgrade-linux-aws
  • ubuntu-upgrade-linux-aws-5-4
  • ubuntu-upgrade-linux-aws-fips
  • ubuntu-upgrade-linux-azure
  • ubuntu-upgrade-linux-azure-5-4
  • ubuntu-upgrade-linux-azure-fips
  • ubuntu-upgrade-linux-bluefield
  • ubuntu-upgrade-linux-fips
  • ubuntu-upgrade-linux-gcp
  • ubuntu-upgrade-linux-gcp-5-4
  • ubuntu-upgrade-linux-gcp-fips
  • ubuntu-upgrade-linux-gkeop
  • ubuntu-upgrade-linux-hwe-5-4
  • ubuntu-upgrade-linux-kvm
  • ubuntu-upgrade-linux-oracle
  • ubuntu-upgrade-linux-oracle-5-4
  • ubuntu-upgrade-linux-raspi
  • ubuntu-upgrade-linux-raspi-5-4

References

  • https://attackerkb.com/topics/cve-2021-46963
  • CVE - 2021-46963
  • https://git.kernel.org/linus/6641df81ab799f28a5d564f860233dd26cca0d93
  • https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93
  • https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538
  • https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f
  • https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56
  • https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053
  • https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89
  • https://www.cve.org/CVERecord?id=CVE-2021-46963
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