CVE-2022-2586: Linux Kernel Use-After-Free Vulnerability
Medium · CVSS 5.3 (CVSS 3.1)KEV known exploitedEPSS 10.2%, 96th percentilePublished Updated Assigner: canonical
In CISA’s Known Exploited Vulnerabilities catalog: Linux Kernel Use-After-Free Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Description
It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H · CWE-416
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
linux: linux_kernelSiemens: SIMATIC S7-1500 TM MFP - GNU/Linux subsystemThe Linux Kernel Organization: linux
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- cve.mitre.org/cgi-bin/cvename.cgi (opens in new tab)
- lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/ (opens in new tab)
- ubuntu.com/security/notices/USN-5557-1 (opens in new tab)
- ubuntu.com/security/notices/USN-5560-1 (opens in new tab)
- ubuntu.com/security/notices/USN-5560-2 (opens in new tab)
- ubuntu.com/security/notices/USN-5562-1 (opens in new tab)
- ubuntu.com/security/notices/USN-5564-1 (opens in new tab)
- ubuntu.com/security/notices/USN-5565-1 (opens in new tab)
- ubuntu.com/security/notices/USN-5566-1 (opens in new tab)
- ubuntu.com/security/notices/USN-5567-1 (opens in new tab)
- ubuntu.com/security/notices/USN-5582-1 (opens in new tab)
- www.openwall.com/lists/oss-security/2022/08/09/5 (opens in new tab)
- www.zerodayinitiative.com/advisories/ZDI-22-1118/ (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)