5.5

CVE-2021-47332

ALSA: usx2y: Don't call free_pages_exact() with NULL address

In the Linux kernel, the following vulnerability has been resolved:

ALSA: usx2y: Don't call free_pages_exact() with NULL address

Unlike some other functions, we can't pass NULL pointer to
free_pages_exact().  Add a proper NULL check for avoiding possible
Oops.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.4.134
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.52
Linux ≫ Linux Kernel Version >= 5.11 < 5.12.19
Linux ≫ Linux Kernel Version >= 5.13 < 5.13.4
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.146
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d
Patch
https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196
Patch
https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19
Patch
https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a
Patch
https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f
Patch