CVE-2021-47466
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.
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.21% probability · 11th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-401
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694fPatch
- https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bbPatch
- https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930Patch
- https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461Patch
- https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694fPatch
- https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bbPatch
- https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930Patch
- https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.