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CVE-2026-89799bpf: Disable preemption in bpf_get_stackid
- 7.8HighCVSS base score
- 0.18%Exploitation in 30 daysEPSS · top 93% 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: bpf: Disable preemption in bpf_get_stackid The get_perf_callchain call needs disabled preemption plus we need it disabled as long as we access its returned trace entries buffer. Note the bpf_get_stackid_pe function is executed already with preemption disabled.
Timeline
ID reserved
By Linux
- 5 days later
· 5 days later
Published
- 44 days later
· 44 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
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Received | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.18% · top 93% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected d5a3b1f691865be576c2bffa708549b8cdccda19 – < 01fc93f670b3e759413a4d574c18ccfc636d2728
- affected d5a3b1f691865be576c2bffa708549b8cdccda19 – < e79a70c2e97ae36bbdd371f0ce88a525f7b49f01
- affected d5a3b1f691865be576c2bffa708549b8cdccda19 – < 18c71e4b65ee60b8611fc071bdd7159f10185117
- affected d5a3b1f691865be576c2bffa708549b8cdccda19 – < ccf481d73bce6e851cec364fe831c86fe66877cf
- affected d5a3b1f691865be576c2bffa708549b8cdccda19 – < c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf
- affected d5a3b1f691865be576c2bffa708549b8cdccda19 – < 15f1bd8574662f1b7b26aaa2e23ebf4066f0117d
- affected 4.6
- unaffected < 4.6
- unaffected 6.1.191 – ≤ 6.1.*
- unaffected 6.6.160 – ≤ 6.6.*
- unaffected 6.12.111 – ≤ 6.12.*
- unaffected 6.18.51 – ≤ 6.18.*
- unaffected 7.2.5 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References6
- https://git.kernel.org/stable/c/01fc93f670b3e759413a4d574c18ccfc636d2728 (opens in a new tab)
- https://git.kernel.org/stable/c/e79a70c2e97ae36bbdd371f0ce88a525f7b49f01 (opens in a new tab)
- https://git.kernel.org/stable/c/18c71e4b65ee60b8611fc071bdd7159f10185117 (opens in a new tab)
- https://git.kernel.org/stable/c/ccf481d73bce6e851cec364fe831c86fe66877cf (opens in a new tab)
- https://git.kernel.org/stable/c/c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf (opens in a new tab)
- https://git.kernel.org/stable/c/15f1bd8574662f1b7b26aaa2e23ebf4066f0117d (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-2026-80399 (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-2026-89799)Record last updated .