CVE-2022-49274
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-49274
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49274.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-49274
- Downstream
- Related
- Published
- 2025-02-26T07:01:04Z
- Modified
- 2025-02-26T07:01:04Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix crash when mount with quota enabled
There is a reported crash when mounting ocfs2 with quota enabled.
RIP: 0010:ocfs2qinfolockresinit+0x44/0x50 [ocfs2] Call Trace: ocfs2localreadinfo+0xb9/0x6f0 [ocfs2] dquotloadquotasb+0x216/0x470 dquotloadquotainode+0x85/0x100 ocfs2enablequotas+0xa0/0x1c0 [ocfs2] ocfs2fillsuper.cold+0xc8/0x1bf [ocfs2] mountbdev+0x185/0x1b0 legacygettree+0x27/0x40 vfsgettree+0x25/0xb0 pathmount+0x465/0xac0 _x64sysmount+0x103/0x140
It is caused by when initializing dqigqlock, the corresponding dqitype and dqi_sb are not properly initialized.
This issue is introduced by commit 6c85c2c72819, which wants to avoid accessing uninitialized variables in error cases. So make global quota info properly initialized.
- References
-
- https://git.kernel.org/stable/c/01931e1c4e3de5d777253acae64c0e8fd071a1dd
- https://git.kernel.org/stable/c/7c5312fdb1dcfdc1951b018669af88d5d6420b31
- https://git.kernel.org/stable/c/de19433423c7bedabbd4f9a25f7dbc62c5e78921
- https://git.kernel.org/stable/c/eda31f77317647b9fbf889779ee1fb6907651865
- https://security-tracker.debian.org/tracker/CVE-2022-49274
Affected packages
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source