VulnerabilityModified
CVE-2017-10663
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.
HIGH 7.8EPSS 0.44%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-129
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15d3042a937c13f5d9244241c7a9c8416ff6e82aMailing List, Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/100215Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1481149Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/15d3042a937c13f5d9244241c7a9c8416ff6e82aPatch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-08-01Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15d3042a937c13f5d9244241c7a9c8416ff6e82aMailing List, Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/100215Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1481149Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/15d3042a937c13f5d9244241c7a9c8416ff6e82aPatch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-08-01Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.