7.8 CVE-2023-2640
Patch Exploit
On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs", an unprivileged user may set privileged extended attributes on the mounted files, leading them to be set on the upper files without the appropriate security checks.
https://nvd.nist.gov/vuln/detail/CVE-2023-2640
Categories
CWE-863
References
af854a3a-2127-422b-91ae-364da2661108 Patch Exploit
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2640 Third Party Advisory |
| https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.html Mailing List Patch |
| https://ubuntu.com/security/notices/USN-6250-1 Vendor Advisory |
| https://wiz.io/blog/ubuntu-overlayfs-vulnerability Exploit Mitigation Third Party Advisory |
security@ubuntu.com Patch Exploit
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2640 Third Party Advisory |
| https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.html Mailing List Patch |
| https://ubuntu.com/security/notices/USN-6250-1 Vendor Advisory |
| https://wiz.io/blog/ubuntu-overlayfs-vulnerability Exploit Mitigation Third Party Advisory |
CPE
| cpe | start | end |
|---|---|---|
| Configuration 1 | ||
| cpe:2.3:o:canonical:ubuntu_linux:23.04:*:*:*:*:*:*:* | ||
REMEDIATION
Patch
| Url |
|---|
| https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.html |
| https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.html |
EXPLOITS
Exploit-db.com
| id | description | date | |
|---|---|---|---|
| No known exploits | |||
POC Github
| Url |
|---|
Other Nist (github, ...)
| Url |
|---|
| https://wiz.io/blog/ubuntu-overlayfs-vulnerability |
| https://wiz.io/blog/ubuntu-overlayfs-vulnerability |
CAPEC
Common Attack Pattern Enumerations and Classifications
| id | description | severity |
|---|---|---|
| No entry | ||
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