Linux · Kernel
CVE-2022-2586
Linux Kernel Use-After-Free Vulnerability
Explorada em ataques
Média 5,3 Chance de ataque: 10%
O que é
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.
CISA: Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges.
O que fazer
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Prazo para as agências federais dos EUA: 17 de julho de 2024
- Adicionada à lista da CISA
- 26 de junho de 2024
- Publicada
- 8 de janeiro de 2024
- Gravidade
- Média 5,3 CVSS 3.1
- Chance de ataques nos próximos 30 dias (EPSS)
- 10% entre os 4,4% mais altos de todas as vulnerabilidades conhecidas
- Fraqueza
- CWE-416
- Mais detalhes
- NVD · CVE.org · CISA
Todas as referências (13)
- https://ubuntu.com/security/notices/USN-5564-1
- https://ubuntu.com/security/notices/USN-5560-2
- https://ubuntu.com/security/notices/USN-5582-1
- https://ubuntu.com/security/notices/USN-5567-1
- https://ubuntu.com/security/notices/USN-5560-1
- https://ubuntu.com/security/notices/USN-5566-1
- https://www.openwall.com/lists/oss-security/2022/08/09/5
- https://ubuntu.com/security/notices/USN-5565-1
- https://www.zerodayinitiative.com/advisories/ZDI-22-1118/
- https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t
- https://ubuntu.com/security/notices/USN-5562-1
- https://ubuntu.com/security/notices/USN-5557-1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586
Mais falhas exploradas de Linux
| Adicionado | Vulnerabilidade | Produto | Gravidade | Chance de ataque |
|---|---|---|---|---|
| 18 de set. de 2026 | Improper Check for Unusual or Exceptional Conditions | Kernel | Crítica 9,8 | 3,3% |
| 18 de set. de 2026 | Race Condition | Kernel | Alto 7,8 | 1,6% |
| 18 de set. de 2026 | Out-of-Bounds Write | Kernel | Alto 8,8 | 0,9% |
| 27 de ago. de 2026 | Unspecified | Kernel | Alto 7,8 | 0,7% |
| 26 de ago. de 2026 | Out-of-Bounds Write | Kernel | Alto 7,8 | 8,9% |
| 2 de jun. de 2026 | Improper Authentication | Kernel | Alto 7,8 | 5,5% |
| 1 de mai. de 2026 | Incorrect Resource Transfer Between Spheres | Kernel | Alto 7,8 | 98% |
| 26 de jan. de 2026 | Integer Overflow | Kernel | Alto 7,8 | 15% |
Fontes: Known Exploited Vulnerabilities (CISA, domínio público), CVE records (cve.org) e EPSS (FIRST). A chance de ataque é a estimativa EPSS de que alguém tente explorar a falha nos próximos 30 dias.