It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.
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This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 54.3%, top 2% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.
January 8, 2024
November 21, 2024
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.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.
RHSA-2022:6551 — Important
RHSA-2022:6872 — Important
RHSA-2022:6875 — Important
RHSA-2022:6978 — Important
RHSA-2022:6983 — Important
RHSA-2022:6991 — Important
RHSA-2022:7110 — Important
RHSA-2022:7134 — Important
RHSA-2022:7137 — Important
RHSA-2022:7146 — Important
RHSA-2022:7171 — Important
RHSA-2022:7173 — Important
RHSA-2022:7279 — Important
RHSA-2022:7280 — Important
RHSA-2022:7337 — Important
RHSA-2022:7338 — Important
RHSA-2022:7344 — Important
RHSA-2022:7885 — Important
RHSA-2023:4022 — Important
RHSA-2023:4023 — Important
Kernel Live Patch Security Notice
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (6 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
CVE-2022-2588
Open source ↗A PoC for CVE-2022-2588 that triggers a WARNING
Open source ↗CVE-2022-2588,CVE-2022-2586,CVE-2022-2585
Open source ↗CVE-2022-2588,CVE-2022-2586,CVE-2022-2585
Open source ↗exploit for CVE-2022-2588
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-2588
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