CVE-2017-10663
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain privileges via unspecified vectors.
Predictions
Exploit likelihood
75%
Patch ETA
—
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 — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → 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 |
|---|---|---|
| — | Affected | 3.18.64 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.12.6-1 |
| sid | Fixed | 4.12.6-1 |
| forky | Fixed | 4.12.6-1 |
| bullseye | Fixed | 4.12.6-1 |
| bookworm | Fixed | 4.12.6-1 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15d3042a937c13f5d9244241c7a9c8416ff6e82a
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4
- http://www.securityfocus.com/bid/100215
- https://bugzilla.redhat.com/show_bug.cgi?id=1481149
- https://github.com/torvalds/linux/commit/15d3042a937c13f5d9244241c7a9c8416ff6e82a
- https://source.android.com/security/bulletin/2017-08-01
- https://security-tracker.debian.org/tracker/CVE-2017-10663
CWEs
CWE-129
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.