CVE-2022-41973: debian debian_linux Link Following
Vulnerability summary
CVE-2022-41973 is a high (CVSS 7.8) Link Following vulnerability in debian debian_linux. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.2% of scored vulnerabilities. 7 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 9 · Related 6Timeline
- 29-10-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
multipath-tools 0.7.7 through 0.9.x before 0.9.2 allows local users to obtain root access, as exploited in conjunction with CVE-2022-41974. Local users able to access /dev/shm can change symlinks in multipathd due to incorrect symlink handling, which could lead to controlled file writes outside of the /dev/shm directory. This could be used indirectly for local privilege escalation to root.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · Red hatEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- 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
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
+0.02 pp
From 0.68% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
7 foundExploit Reference (openwall.com)
Maturity: unknown
Exploit Reference (seclists.org)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
Show all 7 exploits
Exploit Reference (qualys.com)
Maturity: unknown
Exploit Reference (openwall.com)
Maturity: unknown
Exploit Reference (seclists.org)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Redhat10 products
- device-mapper-multipath< 0:0.8.7-20.el9 | < 0:0.8.4-37.el8 | < 0:0.8.4-22.el8_6.5
- device-mapper-multipath-debuginfo< 0:0.8.7-20.el9 | < 0:0.8.4-37.el8 | < 0:0.8.4-22.el8_6.5
- device-mapper-multipath-debugsource< 0:0.8.7-20.el9 | < 0:0.8.4-37.el8 | < 0:0.8.4-22.el8_6.5
- device-mapper-multipath-devel< 0:0.8.7-20.el9 | < 0:0.8.4-37.el8 | < 0:0.8.4-22.el8_6.5
- device-mapper-multipath-libs< 0:0.8.7-20.el9 | < 0:0.8.4-37.el8 | < 0:0.8.4-22.el8_6.5
Debian2 products
- multipath-tools< 0.9.4-1
- debian_linuxEOL10.0
Fedoraproject1 product
- fedoraEOL36
Opensvc1 product
- multipath-tools≥ 0.7.7, < 0.9.2
Ubuntu1 product
- multipath-tools< 0.8.3-1ubuntu2.1 | < 0.8.8-1ubuntu1.22.04.1
5 vendors · 15 products
References
41 links- packetstormsecurity.com/files/169611/Leeloo-Multipath-Authorization-Bypass-Symlink-Attack.htmlExploitMailing ListThird Party AdvisoryVDB Entry
- lists.fedoraproject.org/archives/…Vendor Advisory
- www.qualys.com/2022/10/24/leeloo-multipath/leeloo-multipath.txtARTICLEREPORTExploitThird Party Advisory
- packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.htmlExploitThird Party Advisory
Show all 41 references
- www.debian.org/security/2023/dsa-5366Vendor Advisory
- security.gentoo.org/glsa/202311-06Vendor Advisory
