CVE-2022-2586
Linux Kernel Use-After-Free Vulnerability
CVSS
5.3
Medio
EPSS
10.5%
p95
KEV
SÍ
26 jun 2024
Exploit Today
79
0-100
Publicado: 8 ene 2024 · Última mod.: 20 ago 2026 · CWE-416
Producto
Linux / Kernel
Vulnerabilidad
Linux Kernel Use-After-Free Vulnerability
Añadido a KEV
26 jun 2024
Remediar antes de
17 jul 2024
Uso conocido en ransomware
No
Descripción resumida
Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges.
Acción requerida
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Notas
This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://seclists.org/oss-sec/2022/q3/131; https://nvd.nist.gov/vuln/detail/CVE-2022-2586
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.
- cve.mitre.orghttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586
- lore.kernel.orghttps://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5557-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5560-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5560-2
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5562-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5564-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5565-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5566-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5567-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5582-1
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2022/08/09/5
- www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-22-1118/
- cve.mitre.orghttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586
- lore.kernel.orghttps://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5557-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5560-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5560-2
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5562-1
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5564-1