CVE-2026-93288

Katalog CVE

CVSS 7.8 · High EPSS 0,13%

Skor CVSS 3.1 7.8 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state sashiko reports: "nfnl_log_net_exit() calls nf_log_unset(), which clears the logger pointer without an RCU grace period. Immediately after, ops_free_list() frees the per-net state while concurrent packets might still be executing nf_log_packet() under rcu_read_lock()." Clear the pointer via .pre_exit to make sure rcu readers have completed before pernet storage is free'd. The change in nf_log_syslog.c is only done for consistency: it doesn't use pernet data.

Rincian

Terbit di NVD

24 September 2026

Terakhir diubah

3 Oktober 2026

Status NVD

Received

CVSS 3.1

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

EPSS (30 hari)

0,13% peluang dieksploitasi; lebih tinggi dari 2,2% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/33d1469b0124cc0baaea7a2032123b77a81e0940
• https://git.kernel.org/stable/c/3b9aa62d78ce80de47af2db472ff452398755213
• https://git.kernel.org/stable/c/5570d6c8b320dbcc602617ee08c27ce752fed65a
• https://git.kernel.org/stable/c/ba2e246aa294f9acd86194ea87fb6834ed0a37ac
• https://git.kernel.org/stable/c/dc20050b6b12ca58066715d088e1a537535d938d
• https://git.kernel.org/stable/c/f4461654374576e9d5d0245fd534c46ad8509051