mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.
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Score 5.5 from GitHub Security Advisory published 2022-10-10. NVD baseline CVSS 5.5; sources differ by 0.0.
A fix is available — apply it.
mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.
October 9, 2022
November 21, 2024
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.
RHSA-2023:1091 — Moderate
RHSA-2023:1092 — Moderate
RHSA-2023:2148 — Moderate
RHSA-2023:2736 — Moderate
RHSA-2023:2951 — Moderate
RHSA-2023:3388 — Moderate
RHSA-2023:4137 — Moderate
RHSA-2023:4138 — Moderate
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Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Linux kernel hbp exploit method demo. (i.e. the degradation version of CVE-2022-42703)
Open source ↗Explore the affected products and dependency analysis for CVE-2022-42703
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msrc · redhat
CWE-416