VulnerabilityModified
CVE-2022-2590
A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only shared memory mappings.
HIGH 7.0EPSS 0.90%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only shared memory mappings. This flaw allows an unprivileged, local user to gain write access to read-only memory mappings, increasing their privileges on the system.
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.90% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- https://lore.kernel.org/linux-mm/20220808073232.8808-1-david%40redhat.com/Vendor Advisory
- https://www.openwall.com/lists/oss-security/2022/08/08/1Mailing List, Third Party Advisory
- https://lore.kernel.org/linux-mm/20220808073232.8808-1-david%40redhat.com/Vendor Advisory
- https://www.openwall.com/lists/oss-security/2022/08/08/1Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.