- —Not scoredno CVSS score yet
- 0.21%Exploitation in 30 daysEPSS · top 89% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs() handler Ravi reports that statfs() may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo() runtime service. These calls are disproportionately costly on x86 systems where the variable store is backed by SMM, as each SMM entry requires a rendez-vous of all the CPUs. So rate limit the calls to QueryVariableInfo() at twice per second, and return the most recently obtained value for calls that are elided.
Timeline
ID reserved
By Linux
Published
- 38 days later
· 38 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.
- EPSS (exploitation in 30 days)
- 0.21% · top 89% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 115409cbb6a296d73702a62c54c5b1b11cb88b3d – < 97d71ebee48cd1b29091762b3e5cca4f815dd84c
- affected d86ff3333cb1d5f42d8898fb5fdb304e143c0237 – < 3cd611c9f1dbcc116c8af5112e3c1783c8cde2ae
- affected d86ff3333cb1d5f42d8898fb5fdb304e143c0237 – < 8953bdd1b9c0e748d5408d3d0b8e7aeee5c9cd41
- affected d86ff3333cb1d5f42d8898fb5fdb304e143c0237 – < 92895a14329cc9533e2a74a265214f690ba3851a
- affected d86ff3333cb1d5f42d8898fb5fdb304e143c0237 – < 0dbc2e94b81df5a1264068b6ed3605c654b8afcb
- affected d86ff3333cb1d5f42d8898fb5fdb304e143c0237 – < b2326338dc683e8c1067c0cbf7a47986c4190902
- affected 6.1.178 – < 6.1.188
- affected 6.5
- unaffected < 6.5
- unaffected 6.1.188 – ≤ 6.1.*
- unaffected 6.6.157 – ≤ 6.6.*
- unaffected 6.12.109 – ≤ 6.12.*
- unaffected 6.18.50 – ≤ 6.18.*
- unaffected 7.2.4 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References6
- https://git.kernel.org/stable/c/97d71ebee48cd1b29091762b3e5cca4f815dd84c (opens in a new tab)
- https://git.kernel.org/stable/c/3cd611c9f1dbcc116c8af5112e3c1783c8cde2ae (opens in a new tab)
- https://git.kernel.org/stable/c/8953bdd1b9c0e748d5408d3d0b8e7aeee5c9cd41 (opens in a new tab)
- https://git.kernel.org/stable/c/92895a14329cc9533e2a74a265214f690ba3851a (opens in a new tab)
- https://git.kernel.org/stable/c/0dbc2e94b81df5a1264068b6ed3605c654b8afcb (opens in a new tab)
- https://git.kernel.org/stable/c/b2326338dc683e8c1067c0cbf7a47986c4190902 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-76516 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-89604)Record last updated .