CVE-2018-13406: canonical ubuntu_linux Integer Overflow or Wraparound
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2018-13406DEBIAN-CVE-2018-13406
Published 06-07-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-13406 is a high (CVSS 7.8) Integer Overflow or Wraparound vulnerability in canonical ubuntu_linux. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.6% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.53%
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 19 · Related 17Timeline
- 06-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.
CVSS metrics
5 scores · 3 sources · 3 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/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
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
0.00 pp
From 0.53% on 18-09-2026
18-09-202618-10-2026
EPSS score0.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu17 products
- linux< 3.13.0-157.207 | < 4.4.0-134.160 | < 4.15.0-33.36
- linux-aws< 4.4.0-1028.31 | < 4.4.0-1066.76 | < 4.15.0-1020.20
- linux-azure< 4.15.0-1022.22~16.04.1 | < 4.15.0-1022.23
- linux-azure-fdeAll versions (No fix recorded)
- linux-fips< 4.4.0-1008.10
Debian2 products
- linux< 4.17.6-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Linux1 product
- linux_kernel≥ 2.6.24, < 3.16.58 | ≥ 3.17, < 3.18.114 | ≥ 3.19, < 4.4.139 | ≥ 4.5, < 4.9.111 | ≥ 4.10, < 4.14.53 | ≥ 4.15, < 4.17.4
4 vendors · 21 products
References
22 links- github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713X Refsource MISCPatchREPORT
Show all 22 references
lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlMailing ListX Refsource MLISTThird Party Advisory