5.5

CVE-2023-52615

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

hwrng: core - Fix page fault dead lock on mmap-ed hwrng

There is a dead-lock in the hwrng device read path.  This triggers
when the user reads from /dev/hwrng into memory also mmap-ed from
/dev/hwrng.  The resulting page fault triggers a recursive read
which then dead-locks.

Fix this by using a stack buffer when calling copy_to_user.
Data is provided by the National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 2.6.33 < 4.19.307
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.269
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.210
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.149
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.76
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.15
Linux ≫ Linux Kernel Version >= 6.7 < 6.7.3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.01% 0.003
CVSS Metriken
Source 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-667 Improper Locking

The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.