CVE-2021-47160

Katalog CVE

CVSS 7.1 · High EPSS 0,33%

Kerentanan pada linux kernel. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mt7530: fix VLAN traffic leaks PCR_MATRIX field was set to all 1's when VLAN filtering is enabled, but was not reset when it is disabled, which may cause traffic leaks: ip link add br0 type bridge vlan_filtering 1 ip link add br1 type bridge vlan_filtering 1 ip link set swp0 master br0 ip link set swp1 master br1 ip link set br0 type bridge vlan_filtering 0 ip link set br1 type bridge vlan_filtering 0 # traffic in br0 and br1 will start leaking to each other As port_bridge_{add,del} have set up PCR_MATRIX properly, remove the PCR_MATRIX write from mt7530_port_set_vlan_aware.

Rincian

Terbit di NVD

25 Maret 2024

Terakhir diubah

4 Agustus 2026

Status NVD

Modified

CVSS 3.1

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

EPSS (30 hari)

0,33% peluang dieksploitasi; lebih tinggi dari 24,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/474a2ddaa192777522a7499784f1d60691cd831a patch
• https://git.kernel.org/stable/c/4fe4e1f48ba119bdbc7c897c83b04ba0d08f5488 patch
• https://git.kernel.org/stable/c/82ae35b6c14feae5f216913d5b433e143c756d4e patch
• https://git.kernel.org/stable/c/ae389812733b1b1e8e07fcc238e41db166b5c78d patch
• https://git.kernel.org/stable/c/b91117b66fe875723a4e79ec6263526fffdb44d2 patch