CVE-2022-2318: debian debian_linux Use After Free
Vulnerability summary
CVE-2022-2318 is a medium (CVSS 5.5) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36.7% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 45 · Related 41Timeline
- 06-07-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.
CVSS metrics
5 scores · 3 sources · 3 versions- 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
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.43% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu83 products
- linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-194.205 | < 5.4.0-128.144 | < 5.15.0-48.54
- linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1142.154 | < 5.4.0-1086.93 | < 5.15.0-1020.24
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Netapp5 products
Debian2 products
- linux< 5.18.14-1
- debian_linuxEOL10.0 | 11.0
Linux1 product
- linux_kernel< 5.19 | 5.19:rc1 | 5.19:rc2 | 5.19:rc3 | 5.19:rc4
4 vendors · 91 products
References
34 links- github.com/torvalds/linux/commit/9cc02ede696272c5271a401e4f27c262359bc2f6REPORTPatchThird Party Advisory
- security.netapp.com/advisory/ntap-20230120-0001/Third Party Advisory