CVE-2022-49582

In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix NULL pointer dereference in dsa_port_reset_vlan_filtering The "ds" iterator variable used in dsa_port_reset_vlan_filtering() -> dsa_switch_for_each_port() overwrites the "dp" received as argument, which is later used to call dsa_port_vlan_filtering() proper. As a result, switches which do enter that code path (the ones with vlan_filtering_is_global=true) will dereference an invalid dp in dsa_port_reset_vlan_filtering() after leaving a VLAN-aware bridge. Use a dedicated "other_dp" iterator variable to avoid this from happening.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

10 Mar 2025, 20:23

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5
First Time Linux linux Kernel
Linux
CWE CWE-476
References () https://git.kernel.org/stable/c/1699b4d502eda3c7ea4070debad3ee570b5091b1 - () https://git.kernel.org/stable/c/1699b4d502eda3c7ea4070debad3ee570b5091b1 - Patch
References () https://git.kernel.org/stable/c/3240e12fe203a3a79b9814e83327106b770ed7b0 - () https://git.kernel.org/stable/c/3240e12fe203a3a79b9814e83327106b770ed7b0 - Patch

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE

Information

Published : 2025-02-26 07:01

Updated : 2025-03-10 21:11


NVD link : CVE-2022-49582

Mitre link : CVE-2022-49582


JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference