CVE-2017-17864
low
CVSS v3
3.3
CVSS v4 NEW
โ
VIR risk
3.3
Description
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."
Predictions
Exploit likelihood
34%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.14.7-1 |
| sid | Fixed | 4.14.7-1 |
| forky | Fixed | 4.14.7-1 |
| bullseye | Fixed | 4.14.7-1 |
| bookworm | Fixed | 4.14.7-1 |
| 9.0 | Affected | โ |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Fixed | 4.14.11.a-1 |
References
- https://security.archlinux.org/ASA-201801-4
- https://security.archlinux.org/ASA-201801-3
- https://security.archlinux.org/ASA-201801-2
- https://security.archlinux.org/ASA-201801-1
- http://www.securityfocus.com/bid/102320
- http://www.securitytracker.com/id/1040059
- https://anonscm.debian.org/cgit/kernel/linux.git/commit/?h=stretch-security&id=ad775f6ff7eebb93eedc2f592bc974260e7757b0
- https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-verifier-fix-states_equal-comparison-of-pointer-and-unknown.patch?h=stretch-security
- https://usn.ubuntu.com/usn/usn-3523-2/
- https://www.debian.org/security/2017/dsa-4073
- https://security-tracker.debian.org/tracker/CVE-2017-17864
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.