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CVE-2022-41973

HIGH
7.8
CVSS Score
Published: October 29, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:04 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraMultipath Tools

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Severity
HIGH7.8
Exploit prediction
EPSS 0.7%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
10.0
Fedora· Fedora Projectrpm
95%
36
Multipath Tools· Opensvc
95%
0.7.7 ≤ v < 0.9.2
Affected range stops below 0.9.2, so it looks safe — our inference, not a vendor statement

References (13)

ExploitMailing ListThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/169611/Leeloo-Multipath-Authorization-Bypass-Symlink-Attack.html
ExploitThird Party Advisory
Source: [email protected]
http://packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html
Mailing ListExploitThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2022/Dec/4
Mailing ListExploitThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2022/Oct/25
ExploitMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/10/24/2
Mailing ListExploitThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/11/30/2
Issue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.suse.com/show_bug.cgi?id=1202739
Release NotesThird Party Advisory
Source: [email protected]
https://github.com/opensvc/multipath-tools/releases/tag/0.9.2

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

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