CVE-2024-40921

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

DEBIAN-CVE-2024-40920

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in brmstsetstate I converted brmstsetstate to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the...

CVE-2024-40921

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

UBUNTU-CVE-2024-40921

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

CVE-2024-40920 net: bridge: mst: fix suspicious rcu usage in br_mst_set_state

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in brmstsetstate I converted brmstsetstate to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the...

CVE-2024-40921 net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

CVE-2024-40920

CVE-2024-40920 affects the Linux kernel net: bridge: mst component. Root cause: br_mst_set_state was converted to RCU to avoid a VLAN use-after-free, but the vlan group dereference helper was not updated, triggering suspicious RCU usage. The fix switches to the vlan group RCU deref helper to addr...

CVE-2024-40921 net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from the net:bridge:mst component passing the VLAN group pointer directly in the brmstvlansetstate function instead of dereferencing it agai...

kernel: wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes

CVE-2024-35789 is a vulnerability in the Linux kernel’s Wi-Fi subsystem mac80211. It occurs when a station is moved out of a VLAN, and the VLAN is subsequently deleted. A reference to the deleted VLAN’s network device may remain, leading to a use-after-free condition. This can result in system...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: md: fix kmemleak of rdev-serial CVE-2024-26900 In the Linux kernel, the following vulnerability has been resolved: dyndbg: fix old BUGON in control parser CVE-2024-35947 In the Linux kernel, the following...

SUSE CVE-2021-47592

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix tc flower deletion for VLAN priority Rx steering To replicate the issue:- 1 Add 1 flower filter for VLAN Priority based frame steering:- $ IFDEVNAME=eth0 $ tc qdisc add dev $IFDEVNAME ingress $ tc qdisc add dev...

SUSE CVE-2024-36979

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix vlan use-after-free syzbot reported a suspicious rcu usage1 in bridge's mst code. While fixing it I noticed that nothing prevents a vlan to be freed while walking the list from the same path br forward delay...

CVE-2022-48748

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix memory leak in allowedingress When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and t...

CVE-2022-48748

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix memory leak in allowedingress When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and t...

DEBIAN-CVE-2022-48748

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix memory leak in allowedingress When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and t...

UBUNTU-CVE-2022-48748

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix memory leak in allowedingress When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and t...

CVE-2022-48748 net: bridge: vlan: fix memory leak in __allowed_ingress

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix memory leak in allowedingress When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and t...

CVE-2022-48748

CVE-2022-48748 affects the Linux kernel networking path for bridges with VLANs. The issue is a memory leak in the bridge VLAN path (net: bridge: vlan: fix memory leak in __allowed_ingress). When per-vlan state is used and vlan snooping/stats are disabled, untagged or priority-tagged ingress frame...

CVE-2022-48748

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix memory leak in allowedingress When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and t...