CVE-2022-49770
- Source
- https://cve.org/CVERecord?id=CVE-2022-49770
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49770.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2022-49770
- Downstream
- Related
- Published
- 2025-05-01T14:09:08Z
- Modified
- 2026-08-17T04:12:17Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- ceph: avoid putting the realm twice when decoding snaps fails
- Details
-
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.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49770.json" }- References
-
- https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45
- https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37
- https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905
- https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359
- https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e
- https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49770.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49770
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced982d6011bc30a26e8a3d546e0e7fc7db2c255d85Fixed274e4c79a3a2a24fba7cfe0e41113f1138785c37Fixedcb7495fe957526555782ce0723f79ce92a6db22eFixed044bc6d3c2c0e9090b0841e7b723875756534b45Fixed2f6e2de3a5289004650118b61f138fe7c28e1905Fixedfd879c83e87735ab8f00ef7755752cf0cbae24b2Fixed51884d153f7ec85e18d607b2467820a90e0f4359
Linux / Kernel
Package
- Name
- Kernel