CVE-2018-5332: canonical ubuntu_linux Out-of-bounds Write
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2018-5332DEBIAN-CVE-2018-5332
Published 11-01-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5332 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in canonical ubuntu_linux. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.9% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.45%
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 16DLA-1369-1DSA-4187-1OPENSUSE-SU-2024:10728-1OPENSUSE-SU-2024:13704-1RHSA-2018:0470SUSE-SU-2018:0383-1SUSE-SU-2018:0416-1SUSE-SU-2018:0482-1SUSE-SU-2018:0555-1SUSE-SU-2018:0660-1SUSE-SU-2018:0834-1SUSE-SU-2018:0841-1SUSE-SU-2018:0848-1SUSE-SU-2018:0986-1USN-3617-2USN-3619-1USN-3619-2USN-3620-1USN-3632-1
Timeline
- 11-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In the Linux kernel through 3.2, the rds_message_alloc_sgs() function does not validate a value that is used during DMA page allocation, leading to a heap-based out-of-bounds write (related to the rds_rdma_extra_size function in net/rds/rdma.c).
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
0.45%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
0.00 pp
From 0.45% on 19-09-2026
19-09-202619-10-2026
EPSS score0.45%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu22 products
- linux< 3.13.0-144.193 | < 4.4.0-119.143
- linux-aws< 4.4.0-1016.16 | < 4.4.0-1054.63
- linux-azure< 4.13.0-1014.17
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
Debian2 products
- linux< 4.14.17-1
- debian_linuxEOL7.0 | 8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 17.10
Linux1 product
- linux_kernel< 3.2.99 | ≥ 3.3, < 3.16.54 | ≥ 3.17, < 3.18.92 | ≥ 3.19, < 4.1.50 | ≥ 4.2, < 4.4.112 | ≥ 4.5, < 4.9.77 | ≥ 4.10, < 4.14.44
4 vendors · 26 products
References
26 links
- github.com/torvalds/linux/commit/c095508770aebf1b9218e77026e48345d719b17cX Refsource CONFIRMPatchVendor AdvisoryREPORT
Show all 26 references
- lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing ListX Refsource MLISTThird Party Advisory