CVE-2022-28356: debian debian_linux
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-28356DEBIAN-CVE-2022-28356
Published 02-04-2022Last modified 05-05-2025
Vulnerability summary
CVE-2022-28356 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 47% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.58%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 26 · Related 21DLA-3065-1DSA-5127-1DSA-5173-1MGASA-2022-0121MGASA-2022-0122SUSE-SU-2022:1255-1SUSE-SU-2022:1256-1SUSE-SU-2022:1266-1SUSE-SU-2022:1267-1SUSE-SU-2022:1402-1SUSE-SU-2022:1668-1SUSE-SU-2022:1669-1SUSE-SU-2022:1676-1SUSE-SU-2022:1686-1SUSE-SU-2022:1687-1SUSE-SU-2022:3288-1SUSE-SU-2022:3293-1SUSE-SU-2022:4617-1SUSE-SU-2023:0416-1USN-5381-1USN-5466-1USN-5467-1USN-5469-1USN-5500-1USN-5505-1USN-5513-1
Timeline
- 02-04-2022PublishedVulnerability first disclosed.
- 05-05-2025Last modifiedVulnerability information updated.
Description
In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.58%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
0.00 pp
From 0.58% on 21-09-2026
21-09-202621-10-2026
EPSS score0.58%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (openwall.com)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu77 products
- linuxAll versions (No fix recorded) | < 4.4.0-229.263 | < 4.15.0-184.194 | < 5.4.0-117.132 | < 5.15.0-37.39
- linux-aws< 4.4.0-1109.115 | < 4.4.0-1145.160 | < 4.15.0-1133.143 | < 5.4.0-1078.84 | < 5.15.0-1011.14
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Debian2 products
- linux< 5.16.18-1
- debian_linuxEOL9.0 | 10.0 | 11.0
Linux1 product
- linux_kernel< 5.17.1
3 vendors · 80 products
References
20 links- github.com/torvalds/linux/commit/764f4eb6846f5475f1244767d24d25dd86528a4aX Refsource MISCREPORTPatchThird Party Advisory
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1X Refsource MISCREPORTPatchRelease NotesVendor Advisory
- www.openwall.com/lists/oss-security/2022/04/06/1Mailing ListX Refsource MLISTExploitThird Party Advisory
- lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing ListX Refsource MLISTThird Party Advisory
