CVE-2026-45932bpf: Fix tcx/netkit detach permissions when prog fd isn't given
- 7.3HighCVSS 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: bpf: Fix tcx/netkit detach permissions when prog fd isn't given This commit fixes a security issue where BPF_PROG_DETACH on tcx or netkit devices could be executed by any user when no program fd was provided, bypassing permission checks. The fix adds a capability check for CAP_NET_ADMIN or CAP_SYS_ADMIN in this case.
Timeline
ID reserved
By Linux
- 14 days later
· 14 days later
Published
- 5 months later
· 5 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 | High7.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H |
| NVDNVD · Undergoing Analysis | 3.1 | High7.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.17% · top 94% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.
Affected products
- affected e420bed025071a623d2720a92bc2245c84757ecb – < 8e1623e7d61faf16cbadc80550da874303611ff5
- affected e420bed025071a623d2720a92bc2245c84757ecb – < 0c249f523175963b0a746bba673ecebdf6cefd86
- affected e420bed025071a623d2720a92bc2245c84757ecb – < 4e0772cded109c238411f2fac36ac39302758b81
- affected e420bed025071a623d2720a92bc2245c84757ecb – < 3f04cc1e5374da4c5e791ae010a06cfea7bacbe6
- affected e420bed025071a623d2720a92bc2245c84757ecb – < ae23bc81ddf7c17b663c4ed1b21e35527b0a7131
- affected 6.6
- unaffected < 6.6
- unaffected 6.6.160 – ≤ 6.6.*
- unaffected 6.12.114 – ≤ 6.12.*
- unaffected 6.18.14 – ≤ 6.18.*
- unaffected 6.19.4 – ≤ 6.19.*
- unaffected 7.0 – ≤ *
References
References5
- https://git.kernel.org/stable/c/8e1623e7d61faf16cbadc80550da874303611ff5 (opens in a new tab)
- https://git.kernel.org/stable/c/0c249f523175963b0a746bba673ecebdf6cefd86 (opens in a new tab)
- https://git.kernel.org/stable/c/4e0772cded109c238411f2fac36ac39302758b81 (opens in a new tab)
- https://git.kernel.org/stable/c/3f04cc1e5374da4c5e791ae010a06cfea7bacbe6 (opens in a new tab)
- https://git.kernel.org/stable/c/ae23bc81ddf7c17b663c4ed1b21e35527b0a7131 (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-2026-32216 (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-2026-45932)Record last updated .