CVE-2022-49343
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: avoid cycles in directory h-tree
A maliciously corrupted filesystem can contain cycles in the h-tree stored inside a directory. That can easily lead to the kernel corrupting tree nodes that were already verified under its hands while doing a node split and consequently accessing unallocated memory. Fix the problem by verifying traversed block numbers are unique.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | ac27a0ec112a089f1a5102bc8dffc79c8c815571 < 24b8206fec1db21d7e82f21f0b2ff5e5672cf5b3 | affected |
| Linux | Linux | ac27a0ec112a089f1a5102bc8dffc79c8c815571 < b3ad9ff6f06c1dc6abf7437691c88ca3d6da3ac0 | affected |
| Linux | Linux | ac27a0ec112a089f1a5102bc8dffc79c8c815571 < e157c8f87e8fac112d6c955e69a60cdb9bc80a60 | affected |
| Linux | Linux | ac27a0ec112a089f1a5102bc8dffc79c8c815571 < ff4cafa51762da3824881a9000ca421d4b78b138 | affected |
| Linux | Linux | ac27a0ec112a089f1a5102bc8dffc79c8c815571 < 3a3ce941645407cd0b0b7f01ad9e2ea3770f46cc | affected |
| Linux | Linux | ac27a0ec112a089f1a5102bc8dffc79c8c815571 < d5a16a6df2c16eaf4de04948553ef0089dee463f | affected |
| Linux | Linux | ac27a0ec112a089f1a5102bc8dffc79c8c815571 < 6084240bfc44bf265ab6ae7d96980469b05be0f1 | affected |
| Linux | Linux | ac27a0ec112a089f1a5102bc8dffc79c8c815571 < 3ba733f879c2a88910744647e41edeefbc0d92b2 | affected |
| Linux | Linux | 2.6.19 | affected |
| Linux | Linux | 0 < 2.6.19 | unaffected |
| Linux | Linux | 4.14.283 <= 4.14.* | unaffected |
| Linux | Linux | 4.19.247 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.198 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.121 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.46 <= 5.15.* | unaffected |
| Linux | Linux | 5.17.14 <= 5.17.* | unaffected |
| Linux | Linux | 5.18.3 <= 5.18.* | unaffected |
| Linux | Linux | 5.19 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/24b8206fec1db21d7e82f21f0b2ff5e5672cf5b3
- https://git.kernel.org/stable/c/b3ad9ff6f06c1dc6abf7437691c88ca3d6da3ac0
- https://git.kernel.org/stable/c/e157c8f87e8fac112d6c955e69a60cdb9bc80a60
- https://git.kernel.org/stable/c/ff4cafa51762da3824881a9000ca421d4b78b138
- https://git.kernel.org/stable/c/3a3ce941645407cd0b0b7f01ad9e2ea3770f46cc
- https://git.kernel.org/stable/c/d5a16a6df2c16eaf4de04948553ef0089dee463f
- https://git.kernel.org/stable/c/6084240bfc44bf265ab6ae7d96980469b05be0f1
- https://git.kernel.org/stable/c/3ba733f879c2a88910744647e41edeefbc0d92b2
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