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CVE-2023-52605 was assigned to a suspected NULL pointer dereference in the Linux kernel ACPI extlog module. In extlog_exit(), extlog_l1_addr was historically dereferenced to clear an extended-logging flag before a NULL check. A code change moved that dereference inside the NULL-guarded block. The CVE was subsequently rejected because the exit handler runs only after successful module initialization and during privileged module unload, a path in which extlog_l1_addr is not expected to be NULL. It is no longer a valid upstream CVE.
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No public exploit code observed for this vulnerability.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel vulnerability in ACPI extlog involving a NULL pointer dereference check.
Linux kernel ACPI extlog NULL-pointer dereference flaw.
Linux kernel ACPI extlog NULL-pointer-dereference vulnerability addressed in the Red Hat kernel update.
A Linux kernel ACPI extlog NULL-pointer-dereference vulnerability addressed through updated Red Hat OpenShift Dev Spaces 3 container images.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.