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CVE record · CVE-2026-98588

bpf, sockmap: Reject max_entries > INT_MAX in sock_map_alloc

No CVSS scoreEPSS 0.0021 · 11th percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:19 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected 0d2c4f9640501ff57ba0be1f5644a02c29a02fa1 to before f4a73f49e256bd835368504462be3b57b03febff git
  • affected 0d2c4f9640501ff57ba0be1f5644a02c29a02fa1 to before c56191af3a578b9cc265fa3bd5fc0752c59c1781 git
  • affected 0d2c4f9640501ff57ba0be1f5644a02c29a02fa1 to before 909f761868fda329dc69130ef9eb5b5795bcdf00 git
  • affected 0d2c4f9640501ff57ba0be1f5644a02c29a02fa1 to before cc70972ddbf0e3398f2f32624d31db78594d50d8 git
  • affected 0d2c4f9640501ff57ba0be1f5644a02c29a02fa1 to before cea597519b9ca6d691c98d92460ead8ece2a07af git
  • affected 0d2c4f9640501ff57ba0be1f5644a02c29a02fa1 to before ba7d627dbc67d62df2fa66d7b41e743c3ace0ec8 git
  • affected 0d2c4f9640501ff57ba0be1f5644a02c29a02fa1 to before 814a81c842bd88f6bd8a4ce550d560df071a5d03 git
Other versions: unaffected
Linux Linux
  • affected 5.11
  • unaffected before 5.11 semver
  • unaffected 5.15.222 to 5.15.*, inclusive semver
  • unaffected 6.1.189 to 6.1.*, inclusive semver
  • unaffected 6.6.158 to 6.6.*, inclusive semver
  • unaffected 6.12.112 to 6.12.*, inclusive semver
  • unaffected 6.18.55 to 6.18.*, inclusive semver
  • unaffected 7.2.9 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98588
CNA
Linux
Tags
Published
18 Oct 2026
Updated
19 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.0021, the 11th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 18 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.