CVE-2021-38166
🟡 Monitoruj
Przepełnienie bufora w jądrze Linux umożliwia zapis poza granicami pamięci.
CVSS
7.8
EPSS
0.3%
Exploit
none
Vendor
fedoraproject
Opis źródłowy (NVD)
In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.
brak
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 7.8 |
| CISA KEV (aktywnie wykorzystywane) | Nie |
| FIRST EPSS (prawdopodobieństwo exploita) | 0.3% |
| Opublikowano (NVD) | 2021-08-07 18:15:07 UTC |
| Ostatnia modyfikacja (NVD) | 2026-10-08 21:17:38 UTC |
Referencje
- https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=c4eb1f403243fc7bbb7de644db8587c03de36da6 ([email protected]) [Patch, Vendor Advisory]
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUVLBJKZMWA3E3YXSH4SZ7BOYGJP4GXP/ ([email protected]) [Third Party Advisory]
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UL6CH5M5PRLMA3KPBX4LPUO6Z73GRISO/ ([email protected]) [Third Party Advisory]
- https://lore.kernel.org/bpf/20210806150419.109658-1-th.yasumatsu%40gmail.com/ ([email protected]) [Patch]
- https://security.netapp.com/advisory/ntap-20210909-0001/ ([email protected]) [Third Party Advisory]
- https://www.debian.org/security/2021/dsa-4978 ([email protected]) [Third Party Advisory]