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CVE-2023-52470 is a NULL pointer dereference in the Linux kernel DRM/Radeon driver. In radeon_crtc_init(), the driver did not validate the result of alloc_workqueue(). If workqueue allocation fails, subsequent use of the resulting NULL pointer can dereference NULL in kernel context. The fix adds return-value validation for the workqueue allocation before the pointer is used.
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No public exploit code observed for this vulnerability.
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3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel workqueue NULL-pointer dereference flaw.
A low-impact Linux kernel DRM Radeon driver null-pointer dereference caused by failure to validate the return value of alloc_workqueue() in radeon_crtc_init().
A Linux kernel NULL pointer dereference in alloc_workqueue, reachable through radeon_crtc_init(), that can cause a local denial of service through a crash, exit, or restart.
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.