VulnerabilityModified
CVE-2023-1192
A use-after-free flaw was found in smb2_is_status_io_timeout() in CIFS in the Linux Kernel.
MEDIUM 6.5EPSS 1.10%
Does this matter?
Lower severity and a low EPSS score (1.10%). Track it; it rarely justifies an emergency change on its own.
Description
A use-after-free flaw was found in smb2_is_status_io_timeout() in CIFS in the Linux Kernel. After CIFS transfers response data to a system call, there are still local variable points to the memory region, and if the system call frees it faster than CIFS uses it, CIFS will access a free memory region, leading to a denial of service.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.10% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2023-1192Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2154178Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d527f51331cace562393a8038d870b3e9916686f
- https://access.redhat.com/security/cve/CVE-2023-1192Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2154178Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d527f51331cace562393a8038d870b3e9916686f
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.