CVE-2017-8831: canonical ubuntu_linux Out-of-bounds Read
CVSS: 6.9v2.0MediumModified
AliasesUBUNTU-CVE-2017-8831DEBIAN-CVE-2017-8831
Published 08-05-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-8831 is a medium (CVSS 6.9) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.3% of scored vulnerabilities.
CVSS score
6.9/10
010
Medium · v2.0 (NVD)EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 14 · Duplicates 1 · Related 13Timeline
- 08-05-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The saa7164_bus_get function in drivers/media/pci/saa7164/saa7164-bus.c in the Linux kernel through 4.11.5 allows local users to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact by changing a certain sequence-number value, aka a "double fetch" vulnerability.
CVSS metrics
5 scores · 3 sources · 3 versionsMedium 6.4Preferred score · NVD (NIST)
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.4MediumCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated6.4MediumCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.9Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.39% on 20-09-2026
20-09-202620-10-2026
EPSS score0.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu14 products
- linux< 3.13.0-157.207 | < 4.4.0-96.119
- linux-aws< 4.4.0-1035.44
- linux-azure< 4.13.0-1005.7
- linux-azure-fdeAll versions (No fix recorded)
- linux-gcp< 4.13.0-1002.5
Debian2 products
- linux< 4.12.6-1
- debian_linuxEOL7.0
Canonical1 product
- ubuntu_linuxEOL14.04
Linux1 product
- linux_kernel≤ 4.11.5
4 vendors · 18 products
References
12 links- github.com/stoth68000/media-tree/commit/354dd3924a2e43806774953de536257548b5002cX Refsource CONFIRMPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2017/12/msg00004.htmlMailing ListX Refsource MLISTThird Party Advisory