CVE-2022-49411

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Source
https://cve.org/CVERecord?id=CVE-2022-49411
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49411.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49411
Downstream
Related
Published
2025-02-26T02:12:33.628Z
Modified
2026-03-20T12:24:31.308223Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
bfq: Make sure bfqg for which we are queueing requests is online
Details

In the Linux kernel, the following vulnerability has been resolved:

bfq: Make sure bfqg for which we are queueing requests is online

Bios queued into BFQ IO scheduler can be associated with a cgroup that was already offlined. This may then cause insertion of this bfqgroup into a service tree. But this bfqgroup will get freed as soon as last bio associated with it is completed leading to use after free issues for service tree users. Fix the problem by making sure we always operate on online bfqgroup. If the bfqgroup associated with the bio is not online, we pick the first online parent.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49411.json",
    "cna_assigner": "Linux"
}
References

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
Introduced
e21b7a0b988772e82e7147e1c659a5afe2ae003c
Fixed
ccddf8cd411c1800863ed357064e56ceffd356bb
Fixed
51f724bffa3403a5236597e6b75df7329c1ec6e9
Fixed
6ee0868b0c3ccead5907685fcdcdd0c08dfe4b0b
Fixed
97bd6c56bdcb41079e488e31df56809e3b2ce628
Fixed
7781c38552e6cc54ed8e9040279561340516b881
Fixed
075a53b78b815301f8d3dd1ee2cd99554e34f0dd

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49411.json"