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In the Linux kernel, the following vulnerability has been resolved:
scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE
In the iblock_execute_pr_out() function, PRO_PREEMPT, PRO_PREEMPT_AND_ABORT, and PRO_RELEASE all perform callback capability checks through ops->pr_clear. The error check allows unimplemented hooks to pass through the gate, resulting dereferencing a NULL function pointer.
Check whether the hooks that need to be called are supported.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.12-headersUpgrade kernel6.18-modules-extra-commonUpgrade kernel6.18-toolsUpgrade kernel6.12-develUpgrade kernel-livepatch-6.18.44-99.149Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.18-headersUpgrade kernel-livepatch-6.12.103-127.188Upgrade perf6.12-debuginfoUpgrade kernel6.18Upgrade kernel6.12Upgrade kernel6.12-toolsUpgrade microvm-kernel6.18Upgrade python3-perf6.12Upgrade kernel6.12-tools-develUpgrade kernel6.18-modules-extraUpgrade perf6.18-debuginfoUpgrade kernel6.12-modules-extraUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.18-tools-develUpgrade bpftool6.18Upgrade bpftool6.12Upgrade python3-perf6.18-debuginfoUpgrade kernel6.18-develUpgrade kernel6.12-debuginfoUpgrade kernel6.12-tools-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade python3-perf6.18Upgrade kernel6.18-debuginfo-common-aarch64Upgrade kernel6.18-tools-debuginfoUpgrade kernel6.18-debuginfoUpgrade perf6.18Upgrade bpftool6.12-debuginfoUpgrade perf6.12Upgrade kernel6.12-modules-extra-commonUpgrade kernel6.18-debuginfo-common-x86_64Upgrade bpftool6.18-debuginfo | Sep 30, 2026 | Aug 28, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Aug 30, 2026 | Aug 30, 2026 |
| Redhat_linux | — | No solution exists | Sep 2, 2026 | Aug 28, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 15, 2026 | Aug 28, 2026 |
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