PT-2025-25812

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the fixed version Description The issue is related to data races in the vxlan module of the Linux kernel. Specifically, the used and updated fields in the FDB entry structure can be accessed concurrently by...

kernel: wireguard: receive: annotate data-race around receiving_counter.counter

In the Linux kernel, the following vulnerability has been resolved: wireguard: receive: annotate data-race around receivingcounter.counter Syzkaller with KCSAN identified a data-race issue when accessing keypair-receivingcounter.counter. Use READONCE and WRITEONCE annotations to mark the data rac...

kernel: packet: annotate data-races around ignore_outgoing

In the Linux kernel, the following vulnerability has been resolved: packet: annotate data-races around ignoreoutgoing ignoreoutgoing is read locklessly from devqueuexmitnit and packetgetsockopt Add appropriate READONCE/WRITEONCE annotations. syzbot reported: BUG: KCSAN: data-race in devqueuexmitn...

DEBIAN-CVE-2024-40953

In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on lastboostedvcpu in kvmvcpuonspin Use READ,WRITEONCE to access kvm-lastboostedvcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's...

UBUNTU-CVE-2024-40953

In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on lastboostedvcpu in kvmvcpuonspin Use READ,WRITEONCE to access kvm-lastboostedvcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's...

SUSE CVE-2021-47223

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst null pointer dereference This patch fixes a tunneldst null pointer dereference due to lockless access in the tunnel egress path. When deleting a vlan tunnel the tunneldst pointer is set to NULL...

DEBIAN-CVE-2021-47223

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst null pointer dereference This patch fixes a tunneldst null pointer dereference due to lockless access in the tunnel egress path. When deleting a vlan tunnel the tunneldst pointer is set to NULL...

UBUNTU-CVE-2021-47223

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst null pointer dereference This patch fixes a tunneldst null pointer dereference due to lockless access in the tunnel egress path. When deleting a vlan tunnel the tunneldst pointer is set to NULL...

SUSE CVE-2024-26862

In the Linux kernel, the following vulnerability has been resolved: packet: annotate data-races around ignoreoutgoing ignoreoutgoing is read locklessly from devqueuexmitnit and packetgetsockopt Add appropriate READONCE/WRITEONCE annotations. syzbot reported: BUG: KCSAN: data-race in devqueuexmitn...

SUSE CVE-2024-26861

In the Linux kernel, the following vulnerability has been resolved: wireguard: receive: annotate data-race around receivingcounter.counter Syzkaller with KCSAN identified a data-race issue when accessing keypair-receivingcounter.counter. Use READONCE and WRITEONCE annotations to mark the data rac...

DEBIAN-CVE-2024-26862

In the Linux kernel, the following vulnerability has been resolved: packet: annotate data-races around ignoreoutgoing ignoreoutgoing is read locklessly from devqueuexmitnit and packetgetsockopt Add appropriate READONCE/WRITEONCE annotations. syzbot reported: BUG: KCSAN: data-race in devqueuexmitn...

DEBIAN-CVE-2024-26861

In the Linux kernel, the following vulnerability has been resolved: wireguard: receive: annotate data-race around receivingcounter.counter Syzkaller with KCSAN identified a data-race issue when accessing keypair-receivingcounter.counter. Use READONCE and WRITEONCE annotations to mark the data rac...

UBUNTU-CVE-2024-26861

In the Linux kernel, the following vulnerability has been resolved: wireguard: receive: annotate data-race around receivingcounter.counter Syzkaller with KCSAN identified a data-race issue when accessing keypair-receivingcounter.counter. Use READONCE and WRITEONCE annotations to mark the data rac...

UBUNTU-CVE-2024-26862

In the Linux kernel, the following vulnerability has been resolved: packet: annotate data-races around ignoreoutgoing ignoreoutgoing is read locklessly from devqueuexmitnit and packetgetsockopt Add appropriate READONCE/WRITEONCE annotations. syzbot reported: BUG: KCSAN: data-race in devqueuexmitn...

CVE-2024-26862 packet: annotate data-races around ignore_outgoing

In the Linux kernel, the following vulnerability has been resolved: packet: annotate data-races around ignoreoutgoing ignoreoutgoing is read locklessly from devqueuexmitnit and packetgetsockopt Add appropriate READONCE/WRITEONCE annotations. syzbot reported: BUG: KCSAN: data-race in devqueuexmitn...

CVE-2021-47055

In the Linux kernel, the following vulnerability has been resolved: mtd: require write permissions for locking and badblock ioctls MEMLOCK, MEMUNLOCK and OTPLOCK modify protection bits. Thus require write permission. Depending on the hardware MEMLOCK might even be write-once, e.g. for SPI-NOR...

CVE-2021-47055

In the Linux kernel, the following vulnerability has been resolved: mtd: require write permissions for locking and badblock ioctls MEMLOCK, MEMUNLOCK and OTPLOCK modify protection bits. Thus require write permission. Depending on the hardware MEMLOCK might even be write-once, e.g. for SPI-NOR...

kernel: sysctl: Fix data-races in proc_dou8vec_minmax().

In the Linux kernel, the following vulnerability has been resolved: sysctl: Fix data-races in procdou8vecminmax. A sysctl variable is accessed concurrently, and there is always a chance of data-race. So, all readers and writers need some basic protection to avoid load/store-tearing. This patch...

kernel: sysctl: Fix data races in proc_douintvec().

In the Linux kernel, the following vulnerability has been resolved: sysctl: Fix data races in procdouintvec. A sysctl variable is accessed concurrently, and there is always a chance of data-race. So, all readers and writers need some basic protection to avoid load/store-tearing. This patch change...

kernel: bpf: Fix a data-race around bpf_jit_limit.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a data-race around bpfjitlimit. While reading bpfjitlimit, it can be changed concurrently via sysctl, WRITEONCE in doprocdoulongvecminmax. The size of bpfjitlimit is long, so we need to add a paired READONCE to avoid...