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CVE-2022-1247

Date: August 31, 2022

An issue found in linux-kernel that leads to a race condition in rose_connect(). The rose driver uses rose_neigh->use to represent how many objects are using the rose_neigh. When a user wants to delete a rose_route via rose_ioctl(), the rose driver calls rose_del_node() and removes neighbours only if their “count” and “use” are zero.

Severity Score

Related Resources (6)

https://people.canonical.com/~ubuntu-security/cve/CVE-2022-1247
https://access.redhat.com/security/cve/CVE-2022-1247
https://bugzilla.redhat.com/show_bug.cgi?id=2066799
https://security-tracker.debian.org/tracker/CVE-2022-1247
https://nvd.nist.gov/vuln/detail/CVE-2022-1247
https://www.mend.io/vulnerability-database/CVE-2022-1247

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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