VulnerabilityModified
CVE-2023-0597
A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data.
MEDIUM 5.5EPSS 0.30%
Does this matter?
Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own.
Description
A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.30% probability · 22th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200, CWE-401
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://www.openwall.com/lists/oss-security/2023/07/28/1
- https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80Mailing List, Patch
- http://www.openwall.com/lists/oss-security/2023/07/28/1
- https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80Mailing List, Patch
- https://www.openwall.com/lists/oss-security/2023/07/28/1
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.