CVEvulnerability
CVE-2021-47466
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-22
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
Description
In the Linux kernel, the following vulnerability has been resolved:
mm, slub: fix potential memoryleak in kmem_cache_open()
In error path, the random_seq of slub cache might be leaked. Fix this
by using __kmem_cache_release() to release all the relevant resources.
Affected configurations
• linux linux kernel (>= 4.8 < 5.4.156)
• linux linux kernel (>= 5.5 < 5.10.76)
• linux linux kernel (>= 5.11 < 5.14.15)
• linux linux kernel 5.15
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f Patch
- https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb Patch
- https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930 Patch
- https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461 Patch
- https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f Patch
- https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb Patch
- https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930 Patch
- https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461 Patch