CVE-2023-3389

Katalog CVE

CVSS 7.8 · High EPSS 0,67%

Kerentanan Use After Free pada linux kernel, canonical ubuntu linux +1 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).

Rincian

Terbit di NVD

28 Juni 2023

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.8 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,67% peluang dieksploitasi; lebih tinggi dari 50,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=4716c73b188566865bd... mailing list · patch
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=0e388fce7aec40992ea... mailing list · patch
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef7dfac51d8ed961b742218f526bd589... mailing list · patch
• https://kernel.dance/0e388fce7aec40992eadee654193cad345d62663 patch
• https://kernel.dance/4716c73b188566865bdd79c3a6709696a224ac04 patch
• https://kernel.dance/ef7dfac51d8ed961b742218f526bd589f3900a59 patch
• http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html advisory pihak ketiga · vdb entry
• https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20230731-0001/ advisory pihak ketiga
• https://www.debian.org/security/2023/dsa-5480 advisory pihak ketiga