Vulnerability Description
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:ocfs2_qinfo_lock_res_init+0x44/0x50 [ocfs2] Call Trace: ocfs2_local_read_info+0xb9/0x6f0 [ocfs2] dquot_load_quota_sb+0x216/0x470 dquot_load_quota_inode+0x85/0x100 ocfs2_enable_quotas+0xa0/0x1c0 [ocfs2] ocfs2_fill_super.cold+0xc8/0x1bf [ocfs2] mount_bdev+0x185/0x1b0 legacy_get_tree+0x27/0x40 vfs_get_tree+0x25/0xb0 path_mount+0x465/0xac0 __x64_sys_mount+0x103/0x140 It is caused by when initializing dqi_gqlock, the corresponding dqi_type 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.33 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/01931e1c4e3de5d777253acae64c0e8fd071a1ddPatch
- https://git.kernel.org/stable/c/7c5312fdb1dcfdc1951b018669af88d5d6420b31Patch
- https://git.kernel.org/stable/c/de19433423c7bedabbd4f9a25f7dbc62c5e78921Patch
- https://git.kernel.org/stable/c/eda31f77317647b9fbf889779ee1fb6907651865Patch
FAQ
What is CVE-2022-49274?
CVE-2022-49274 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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:ocfs...
How severe is CVE-2022-49274?
CVE-2022-49274 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-49274?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.