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CVE-2023-54153 is a memory-leak flaw in the Linux kernel ext4 filesystem mount error path. If quotas have been enabled and ext4_mark_recovery_complete() subsequently returns an error, the failed-mount cleanup path does not disable the enabled quotas. Consequently, quota-related allocations can remain unreleased after the ext4 mount fails. The corrective change adds a failed_mount10 error path that invokes ext4_quota_off_umount() to release enabled quotas.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel vulnerability included in the Red Hat Enterprise Linux 9 kernel advisory; no technical details are provided in the content.
A CVE referenced by the erratum; no technical details are provided in this content.
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.