In the Linux kernel, the following vulnerability has been resolved: ceph: avoid putting the realm twice when decoding snaps fails When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random use-after-free, BUG_ON, etc issues.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

No data.

No data.

References
Link Providers
https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45 cve-icon cve-icon
https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37 cve-icon cve-icon
https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905 cve-icon cve-icon
https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359 cve-icon cve-icon
https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e cve-icon cve-icon
https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025050115-CVE-2022-49770-0b74@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-49770 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-49770 cve-icon
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00099}

 epss

{'score': 0.00076}

Sat, 07 Jun 2025 03:00:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Fri, 02 May 2025 13:45:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Thu, 01 May 2025 14:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: ceph: avoid putting the realm twice when decoding snaps fails When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random use-after-free, BUG_ON, etc issues.
Title ceph: avoid putting the realm twice when decoding snaps fails
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-05-01T14:09:08.173Z

Updated: 2025-05-04T08:45:00.199Z

Reserved: 2025-04-16T07:17:33.805Z

Link: CVE-2022-49770

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-05-01T15:15:59.920

Modified: 2025-05-02T13:53:20.943

Link: CVE-2022-49770

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-05-01T00:00:00Z

Links: CVE-2022-49770 - Bugzilla