CVE-2022-1678: linux linux_kernel Improper Update of Reference Count
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-1678DEBIAN-CVE-2022-1678
Published 25-05-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-1678 is a high (CVSS 7.5) Improper Update of Reference Count vulnerability in linux linux_kernel. EPSS estimates a 2.94% chance of exploitation in the next 30 days, higher than 86.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.94%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-05-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by remote clients.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources4 sources · 5.9–7.5
- CVE.orgCNA5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.94%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 2.94% on 18-09-2026
18-09-202618-10-2026
EPSS score2.94%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu38 products
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
- linux-aws-5.3All versions (No fix recorded)
- linux-aws-5.8All versions (No fix recorded)
Netapp16 products
- active_iq_unified_managerna
- bootstrap_osna
- cloud_volumes_ontap_mediatorna
- e-series_santricity_os_controller≥ 11.0, ≤ 11.70.2
- element_softwarena
Debian1 product
- linux< 5.2.6-1
Linux1 product
- linux_kernel≥ 4.18, ≤ 4.19
4 vendors · 56 products
References
12 links- bugzilla.openanolis.cn/show_bug.cgi?id=61X Refsource CONFIRMREPORTIssue TrackingPatchThird Party Advisory
- github.com/torvalds/linux/commit/0a70f118475e037732557796accd0878a00fc25aX Refsource MISCREPORTPatchThird Party Advisory
- git.kernel.org/pub/…REPORT
