sock_map_alloc · bpf, sockmap: Reject max_entries > INT_MAX
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in f4a73f49e256bd835368504462be3b57b03febff : patch Microsoft soon.
Data as of 2 Nov 2026, 10:58 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in f4a73f49e256bd835368504462be3b57b03febff, cea597519b9ca6d691c98d92460ead8ece2a07af, cc70972ddbf0e3398f2f32624d31db78594d50d8 +4
Exploitation evidence
Disclosed: evidence found.
CVE published 18 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This vulnerability involves the bpf sockmap component rejecting max_entries values greater than INT_MAX during sock_map_alloc. The information provided is limited and does not include details on impact, exploitation, or remediation.