CVE-2026-64299tracing: Prevent out-of-bounds read in glob matching
- 7.1HighCVSS base score
- 0.17%Exploitation in 30 daysEPSS · top 94% 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: tracing: Prevent out-of-bounds read in glob matching String event fields are not necessarily NUL-terminated, so the filter predicate functions (filter_pred_string(), filter_pred_strloc() and filter_pred_strrelloc()) pass the field length to the regex match callbacks, and the length-aware matchers honour it. regex_match_glob() was the exception: it ignored the length and called glob_match(), which scans the string until it hits a NUL byte. Some string fields are not NUL-terminated. One example is the dynamic char array of the xfs_* namespace tracepoints, which is copied without a trailing NUL. For such a field, glob matching reads past the end of the event field, causing a KASAN slab-out-of-bounds read in glob_match(), reached via regex_match_glob() and filter_match_preds() from the xfs_lookup tracepoint. Add a length-bounded glob_match_len() and use it from regex_match_glob() so glob matching always stops at the field boundary. The matching loop is factored into a shared helper so glob_match() keeps its behaviour.
Timeline
ID reserved
By Linux
- 6 days later
· 6 days later
Published
- 3 months later
· 3 months 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
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.17% · top 94% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected 60f1d5e3bac44b598f67d36062da96c095d2b700 – < 265f3a690f6c7d69ef7d2ca50b04b4853a211df3
- affected 60f1d5e3bac44b598f67d36062da96c095d2b700 – < ee5b8888d3248618251fb69a2fad92afcb81557e
- affected 60f1d5e3bac44b598f67d36062da96c095d2b700 – < 56d4c9ab84714eebb285a2fee68aaedf81e3ef15
- affected 60f1d5e3bac44b598f67d36062da96c095d2b700 – < 35ae19764eabfe9c29029d3b5713c86e6855acdf
- affected 60f1d5e3bac44b598f67d36062da96c095d2b700 – < ebb55902856973906c8bb339a3a34824ed4a5086
- affected 60f1d5e3bac44b598f67d36062da96c095d2b700 – < 2dad64a97e1df47f5d9ccb17fa319aa348617226
- affected 60f1d5e3bac44b598f67d36062da96c095d2b700 – < e5d5f3bd053a5f14787526c9f0f55ef900d43ac6
- affected 60f1d5e3bac44b598f67d36062da96c095d2b700 – < 0a6070839b1ef276d5b05bedfb787743e140fb17
- affected 4.10
- unaffected < 4.10
- unaffected 5.10.261 – ≤ 5.10.*
- unaffected 5.15.212 – ≤ 5.15.*
- unaffected 6.1.178 – ≤ 6.1.*
- unaffected 6.6.145 – ≤ 6.6.*
- unaffected 6.12.96 – ≤ 6.12.*
- unaffected 6.18.39 – ≤ 6.18.*
- unaffected 7.1.4 – ≤ 7.1.*
- unaffected 7.2 – ≤ *
References
References8
- https://git.kernel.org/stable/c/265f3a690f6c7d69ef7d2ca50b04b4853a211df3 (opens in a new tab)
- https://git.kernel.org/stable/c/ee5b8888d3248618251fb69a2fad92afcb81557e (opens in a new tab)
- https://git.kernel.org/stable/c/56d4c9ab84714eebb285a2fee68aaedf81e3ef15 (opens in a new tab)
- https://git.kernel.org/stable/c/35ae19764eabfe9c29029d3b5713c86e6855acdf (opens in a new tab)
- https://git.kernel.org/stable/c/ebb55902856973906c8bb339a3a34824ed4a5086 (opens in a new tab)
- https://git.kernel.org/stable/c/2dad64a97e1df47f5d9ccb17fa319aa348617226 (opens in a new tab)
- https://git.kernel.org/stable/c/e5d5f3bd053a5f14787526c9f0f55ef900d43ac6 (opens in a new tab)
- https://git.kernel.org/stable/c/0a6070839b1ef276d5b05bedfb787743e140fb17 (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-2026-49011 (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-2026-64299)Record last updated .