CVE-2017-10663
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 19 Aug 2017, 18:00
Last modified:05 Aug 2024, 17:41
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.05% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
19 Aug 2017, 18:00
Published
Vulnerability first disclosed
05 Aug 2024, 17:41
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.05%• Percentile: 15%
Techniques & Countermeasures
- CWE-129•Improper Validation of Array Index
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.
Affected Systems
- linux•linux_kernel
≥ 3.8, < 3.18.64 | ≥ 3.19, < 4.1.44 | ≥ 4.2, < 4.4.81 | ≥ 4.5, < 4.9.42 | ≥ 4.10, < 4.12.4
References (6)
- http://www.securityfocus.com/bid/100215
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15d3042a937c13f5d9244241c7a9c8416ff6e82a
- 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
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4