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Amazon Linux AMI 2: CVE-2024-26845: Security patch for kernel (Multiple Advisories)

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Amazon Linux AMI 2: CVE-2024-26845: Security patch for kernel (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/17/2024
Created
08/20/2024
Added
08/19/2024
Modified
01/22/2025

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Add TMF to tmr_list handling An abort that is responded to by iSCSI itself is added to tmr_list but does not go to target core. A LUN_RESET that goes through tmr_list takes a refcounter on the abort and waits for completion. However, the abort will be never complete because it was not started in target core. Unable to locate ITT: 0x05000000 on CID: 0 Unable to locate RefTaskTag: 0x05000000 on CID: 0. wait_for_tasks: Stopping tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop wait for tasks: tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop ... INFO: task kworker/0:2:49 blocked for more than 491 seconds. task:kworker/0:2 state:D stack:0 pid: 49 ppid: 2 flags:0x00000800 Workqueue: events target_tmr_work [target_core_mod] Call Trace: __switch_to+0x2c4/0x470 _schedule+0x314/0x1730 schedule+0x64/0x130 schedule_timeout+0x168/0x430 wait_for_completion+0x140/0x270 target_put_cmd_and_wait+0x64/0xb0 [target_core_mod] core_tmr_lun_reset+0x30/0xa0 [target_core_mod] target_tmr_work+0xc8/0x1b0 [target_core_mod] process_one_work+0x2d4/0x5d0 worker_thread+0x78/0x6c0 To fix this, only add abort to tmr_list if it will be handled by target core.

Solution(s)

  • amazon-linux-ami-2-upgrade-bpftool
  • amazon-linux-ami-2-upgrade-bpftool-debuginfo
  • amazon-linux-ami-2-upgrade-kernel
  • amazon-linux-ami-2-upgrade-kernel-debuginfo
  • amazon-linux-ami-2-upgrade-kernel-debuginfo-common-aarch64
  • amazon-linux-ami-2-upgrade-kernel-debuginfo-common-x86_64
  • amazon-linux-ami-2-upgrade-kernel-devel
  • amazon-linux-ami-2-upgrade-kernel-headers
  • amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-343-259-562
  • amazon-linux-ami-2-upgrade-kernel-livepatch-5-10-213-201-855
  • amazon-linux-ami-2-upgrade-kernel-livepatch-5-15-152-100-162
  • amazon-linux-ami-2-upgrade-kernel-tools
  • amazon-linux-ami-2-upgrade-kernel-tools-debuginfo
  • amazon-linux-ami-2-upgrade-kernel-tools-devel
  • amazon-linux-ami-2-upgrade-perf
  • amazon-linux-ami-2-upgrade-perf-debuginfo
  • amazon-linux-ami-2-upgrade-python-perf
  • amazon-linux-ami-2-upgrade-python-perf-debuginfo

References

  • https://attackerkb.com/topics/cve-2024-26845
  • AL2/ALAS-2024-2549
  • AL2/ALASKERNEL-5.10-2024-052
  • AL2/ALASKERNEL-5.10-2024-076
  • AL2/ALASKERNEL-5.15-2024-040
  • AL2/ALASKERNEL-5.15-2024-058
  • AL2/ALASKERNEL-5.4-2024-068
  • CVE - 2024-26845
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