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CVE-2022-0480

Good to know:

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Date: August 29, 2022

A flaw was found in the filelock_init in fs/locks.c function in the Linux kernel. This issue can lead to host memory exhaustion due to memcg not limiting the number of Portable Operating System Interface (POSIX) file locks.

Language: C

Severity Score

Related Resources (12)

https://nvd.nist.gov/vuln/detail/CVE-2022-0480
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042
https://ubuntu.com/security/CVE-2022-0480
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-0480
https://access.redhat.com/security/cve/CVE-2022-0480
https://bugzilla.redhat.com/show_bug.cgi?id=2049700
https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundation.org/
https://github.com/kata-containers/kata-containers/issues/3373
https://security-tracker.debian.org/tracker/CVE-2022-0480
https://github.com/gregkh/linux/commit/0f12156dff2862ac54235fc72703f18770769042
https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm@linux-foundation.org/
https://www.mend.io/vulnerability-database/CVE-2022-0480

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-libc-headers - 5.14

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CVSS v3.1

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

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