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CVE-2024-45783 is a NULL pointer dereference in the GRUB2 HFS+ filesystem driver. When an HFS+ filesystem mount fails, the driver does not correctly set its error state, allowing a reference count to be decremented twice. Subsequent handling can access a NULL pointer.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by the EulerOS SA-2026-3507 GRUB2 package update.
A vulnerability addressed by the EulerOS SA-2026-3420 security update affecting listed GRUB2 packages.
A GRUB2 HFS+ mount error-handling flaw that can lead to NULL pointer access due to improper state handling.
A GRUB HFS+ mount error-handling flaw that can lead to NULL pointer access due to improper ERRNO handling.
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.