CVEvulnerability
CVE-2021-45868
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-03-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-416
Description
In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file.
Affected configurations
• linux linux kernel (< 5.15.3)
• netapp h300s firmware
• netapp h700s firmware
• netapp h300e firmware
• netapp h500e firmware
• netapp h700e firmware
• netapp h410s firmware
• netapp h410c firmware
• netapp h500s firmware
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugzilla.kernel.org/show_bug.cgi?id=214655 Exploit, Issue Tracking, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3 Mailing List, Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050 Mailing List, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220419-0003/ Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/03/17/1 Exploit, Mailing List, Patch, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/03/17/2 Exploit, Mailing List, Patch, Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=214655 Exploit, Issue Tracking, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3 Mailing List, Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050 Mailing List, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220419-0003/ Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/03/17/1 Exploit, Mailing List, Patch, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/03/17/2 Exploit, Mailing List, Patch, Third Party Advisory