CVE-2025-38732: linux kernel +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2025-38732

CVSS 5.5 · Medium EPSS 0,18%

Kerentanan pada linux kernel, debian linux. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_reject: don't leak dst refcount for loopback packets recent patches to add a WARN() when replacing skb dst entry found an old bug: WARNING: include/linux/skbuff.h:1165 skb_dst_check_unset include/linux/skbuff.h:1164 [inline] WARNING: include/linux/skbuff.h:1165 skb_dst_set include/linux/skbuff.h:1210 [inline] WARNING: include/linux/skbuff.h:1165 nf_reject_fill_skb_dst+0x2a4/0x330 net/ipv4/netfilter/nf_reject_ipv4.c:234 [..] Call Trace: nf_send_unreach+0x17b/0x6e0 net/ipv4/netfilter/nf_reject_ipv4.c:325 nft_reject_inet_eval+0x4bc/0x690 net/netfilter/nft_reject_inet.c:27 expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline] .. This is because blamed commit forgot about loopback packets. Such packets already have a dst_entry attached, even at PRE_ROUTING stage. Instead of checking hook just check if the skb already has a route attached to it.

Rincian

Terbit di NVD: 5 September 2025
Terakhir diubah: 14 Juli 2026
Status NVD: Modified
CVSS 3.1: 5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
EPSS (30 hari): 0,18% peluang dieksploitasi; lebih tinggi dari 6,5% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
linux	linux kernel	Versi 5.9 hingga sebelum 5.10.241
linux	linux kernel	Versi 5.11 hingga sebelum 5.15.190
linux	linux kernel	Versi 5.16 hingga sebelum 6.1.149
linux	linux kernel	Versi 6.2 hingga sebelum 6.6.103
linux	linux kernel	Versi 6.7 hingga sebelum 6.12.44
linux	linux kernel	Versi 6.13 hingga sebelum 6.16.4
linux	linux kernel	Versi 6.17 rc1
linux	linux kernel	Versi 6.17 rc2
debian	debian linux	Versi 11.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://git.kernel.org/stable/c/51e8531371f90bee742c63775c9a568e5d6bf3c5 patch
https://git.kernel.org/stable/c/7b8b503c06274ef3c6c1a107743f1ec0d0a53ef8 patch
https://git.kernel.org/stable/c/82ef97abf22790182f7d433c74960dfd61b99c33 patch
https://git.kernel.org/stable/c/91a79b792204313153e1bdbbe5acbfc28903b3a5 patch
https://git.kernel.org/stable/c/a0a3ace2a57887dac1e7c9a724846040c3e31868 patch
https://git.kernel.org/stable/c/b32e1590a8d22cf7d7f965e46d5576051acf8e42 patch
https://git.kernel.org/stable/c/b7a885ba25960c91db237c3f83b4285156789bce patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html mailing list · advisory pihak ketiga
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html mailing list · advisory pihak ketiga
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-032379.html

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.