Vulnerability Details : CVE-2022-2590
Potential exploit
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.
Products affected by CVE-2022-2590
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-2590
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-2590
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2022-2590
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
References for CVE-2022-2590
-
https://lore.kernel.org/linux-mm/20220808073232.8808-1-david%40redhat.com/
[PATCH v1] mm/gup: fix FOLL_FORCE COW security issue and remove FOLL_COW - David HildenbrandVendor Advisory
-
https://www.openwall.com/lists/oss-security/2022/08/08/1
oss-security - CVE-2022-2590: Linux kernel: Modifying shmem/tmpfs files without write permissionsMailing List;Third Party Advisory
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