dm flakey: fix a crash with invalid table line
In the Linux kernel, the following vulnerability has been resolved: dm flakey: fix a crash with invalid table line This command will crash with NULL pointer dereference: dmsetup create flakey --table \ "0 `blockdev --getsize /dev/ram0` flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512" Fix the crash by checking if arg_name is non-NULL before comparing it.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: dm flakey: fix a crash with invalid table line This command will crash with NULL pointer dereference: dmsetup create flakey --table \ "0 `blockdev --getsize /dev/ram0` flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512" Fix the crash by checking if arg_name is non-NULL before comparing it.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/12849ed107c0b2869fb775c81208050899006f07
- https://git.kernel.org/stable/c/337b7af273562b73c46ef77a724604ad139ca762
- https://git.kernel.org/stable/c/8258d84a7917aeece773716518deadb7ad776cb7
- https://git.kernel.org/stable/c/83b4e3d878ea6be9aec1d5a1ab177c766c64d1a0
- https://git.kernel.org/stable/c/98dba02d9a93eec11bffbb93c7c51624290702d2
- https://git.kernel.org/stable/c/a1e3fffe02e05c05357af91364ac0fc1ed425b5b
- https://git.kernel.org/stable/c/cb874a190f3f7c3c3fa5b979bee7a3b8cc3a19cc
- https://git.kernel.org/stable/c/f76fcb9d43ec014ac4a1bb983768696d5b032df9
- https://git.kernel.org/stable/c/f95cb1526669ccdf7eb12eefd57a893953e3595f
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53786.json
- https://nvd.nist.gov/vuln/detail/CVE-2023-53786