PT-2019-6333 · Linux+3 · Linux Kernel+3
Published
2019-03-03
·
Updated
2023-04-19
·
CVE-2019-15292
CVSS v2.0
10
High
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 5.0.9
Description
The issue is related to a use-after-free in the Linux kernel, specifically in the atalk proc exit function, and is associated with the files net/appletalk/atalk proc.c, net/appletalk/ddp.c, and net/appletalk/sysctl net atalk.c. Additionally, there is a vulnerability in the pde subdir find() function in the fs/proc/generic.c module, which is also related to a use-after-free due to a lack of checking the results of called functions. This could allow an attacker to cause a denial of service.
Recommendations
For Linux kernel versions prior to 5.0.9, update to version 5.0.9 or later to resolve the issue. As a temporary workaround, consider disabling the atalk proc exit function and restricting access to the net/appletalk directory until a patch is available. Avoid using the pde subdir find() function in the fs/proc/generic.c module until the issue is resolved.
Exploit
Fix
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Linux Kernel
Suse
Ubuntu