CVE-2022-0617: debian debian_linux NULL Pointer Dereference
Vulnerability summary
CVE-2022-0617 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 42.7% of scored vulnerabilities. 1 public exploit is recorded.
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 34 · Related 25Timeline
- 16-02-2022PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way user triggers udf_file_write_iter function for the malicious UDF image. A local user could use this flaw to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2.
CVSS metrics
4 scores · 3 sources · 2 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
0.50%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.50% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (git.kernel.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu69 products
- linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-176.185 | < 5.4.0-109.123
- linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1127.136 | < 5.4.0-1072.77
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13< 5.13.0-1022.24~20.04.1
Debian2 products
- linux< 5.16.7-1
- debian_linuxEOL9.0 | 10.0 | 11.0
Linux1 product
- linux_kernelEOL≥ 4.2.1, < 5.17 | 4.2:rc1 | 4.2:rc2 | 4.2:rc3 | 4.2:rc4 | 4.2:rc5 | 4.2:rc6 | 4.2:rc7 | 4.2:rc8 | 4.20 | 5.17 | 5.17:rc1 | 5.17:rc2
3 vendors · 72 products
References
21 links
lists.debian.org/debian-lts-announce/2022/03/msg00011.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing ListX Refsource MLISTThird Party Advisory
- www.openwall.com/lists/oss-security/2022/04/13/2Mailing ListX Refsource MLISTPatchThird Party Advisory
