CVE-2017-10663
HIGHCVSS 7.8/10EPSS 0.44%
Last modified
CVE-2017-10663 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.8, < 3.18.64 |
| Linux | Linux Kernel | >= 3.19, < 4.1.44 |
| Linux | Linux Kernel | >= 4.2, < 4.4.81 |
| Linux | Linux Kernel | >= 4.5, < 4.9.42 |
| Linux | Linux Kernel | >= 4.10, < 4.12.4 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2017-10663?
CVE-2017-10663 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2017-10663?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-10663?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST