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CVE-2017-17862
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code, even though it would still be processed by JIT…
Medium5.5EPSS 0.44%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code, even though it would still be processed by JIT compilers. This behavior, also considered an improper branch-pruning logic issue, could possibly be used by local users for denial of service.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.44% · top 62% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (10)
- https://github.com/torvalds/linux/commit/c131187db2d3fa2f8bf32fdf4e9a4ef805168467 (opens in a new tab)x_refsource_MISCx_transferred
- USN-3619-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c131187db2d3fa2f8bf32fdf4e9a4ef805168467 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.spinics.net/lists/stable/msg206984.html (opens in a new tab)x_refsource_MISCx_transferred
- 102325 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-4073 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-3523-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-fix-branch-pruning-logic.patch?h=stretch-security (opens in a new tab)x_refsource_MISCx_transferred
- USN-3619-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 1040057 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
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)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2017-17862)Record last updated .