CVE-2022-49571 tcp: Fix data-races around sysctl_tcp_max_reordering.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpmaxreordering. While reading sysctltcpmaxreordering, it can be changed concurrently. Thus, we need to add READONCE to its readers...

CVE-2022-49572 tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpslowstartafteridle. While reading sysctltcpslowstartafteridle, it can be changed concurrently. Thus, we need to add READONCE to its readers...

CVE-2022-49571 tcp: Fix data-races around sysctl_tcp_max_reordering.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpmaxreordering. While reading sysctltcpmaxreordering, it can be changed concurrently. Thus, we need to add READONCE to its readers...

PT-2025-8509 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A data-race issue exists in the Linux kernel related to the sysctl fib multipath hash fields variable. The variable can be changed concurrently while being read, which requires the use...

PT-2025-8530 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A data-race issue exists in the Linux kernel related to the sysctl tcp base mss variable. This issue occurs because the variable can be changed concurrently while being read, potential...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: Fixed a potential race condition in fib6 Droppcpufrom. syzbot detected a race condition in fib6 Droppcpufrom 1. If the compiler reads the value more than once ppcpurt, the second reading might result in NULL, especially ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: Fixed a data race on lastboostedvcpu in kvmvcpuonspin. Used READ,WRITEONCE to access kvm-lastboostedvcpu to ensure that reads and writes are atomic. In the extremely unlikely scenario where the compiler introduces errors in...

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...

SUSE CVE-2024-57934

In the Linux kernel, the following vulnerability has been resolved: fgraph: Add READONCE when accessing fgrapharray In ftracereturntohandler, a loop iterates over the fgrapharray elements, which are fgraphops. The loop checks if an element is a fgraphstub to prevent using a fgraphstub afterward...

DEBIAN-CVE-2024-57934

In the Linux kernel, the following vulnerability has been resolved: fgraph: Add READONCE when accessing fgrapharray In ftracereturntohandler, a loop iterates over the fgrapharray elements, which are fgraphops. The loop checks if an element is a fgraphstub to prevent using a fgraphstub afterward...

UBUNTU-CVE-2024-57934

In the Linux kernel, the following vulnerability has been resolved: fgraph: Add READONCE when accessing fgrapharray In ftracereturntohandler, a loop iterates over the fgrapharray elements, which are fgraphops. The loop checks if an element is a fgraphstub to prevent using a fgraphstub afterward...

CVE-2024-57934 fgraph: Add READ_ONCE() when accessing fgraph_array[]

In the Linux kernel, the following vulnerability has been resolved: fgraph: Add READONCE when accessing fgrapharray In ftracereturntohandler, a loop iterates over the fgrapharray elements, which are fgraphops. The loop checks if an element is a fgraphstub to prevent using a fgraphstub afterward...

PT-2025-3659 · Linux +3 · Linux Kernel +3

The Linux kernel has resolved a NULL Pointer Dereference issue in its fgraph component. The problem occurred in the ftrace return to handler function, where a loop iterates over fgraph array elements. If the compiler reloads fgraph array after checking for a fgraph stub, it may conflict with an...

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...

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: mm: prevent derefencing NULL ptr in pfn_section_valid()

In the Linux kernel, the following vulnerability has been resolved: mm: prevent derefencing NULL ptr in pfnsectionvalid Commit 5ec8e8ea8b77 "mm/sparsemem: fix race in accessing memorysection-usage" changed pfnsectionvalid to add a READONCE call around "ms-usage" to fix a race with sectiondeactiva...

kernel: mm: prevent derefencing NULL ptr in pfn_section_valid()

In the Linux kernel, the following vulnerability has been resolved: mm: prevent derefencing NULL ptr in pfnsectionvalid Commit 5ec8e8ea8b77 "mm/sparsemem: fix race in accessing memorysection-usage" changed pfnsectionvalid to add a READONCE call around "ms-usage" to fix a race with sectiondeactiva...

kernel: mm: prevent derefencing NULL ptr in pfn_section_valid()

In the Linux kernel, the following vulnerability has been resolved: mm: prevent derefencing NULL ptr in pfnsectionvalid Commit 5ec8e8ea8b77 "mm/sparsemem: fix race in accessing memorysection-usage" changed pfnsectionvalid to add a READONCE call around "ms-usage" to fix a race with sectiondeactiva...

kernel: mm: prevent derefencing NULL ptr in pfn_section_valid()

In the Linux kernel, the following vulnerability has been resolved: mm: prevent derefencing NULL ptr in pfnsectionvalid Commit 5ec8e8ea8b77 "mm/sparsemem: fix race in accessing memorysection-usage" changed pfnsectionvalid to add a READONCE call around "ms-usage" to fix a race with sectiondeactiva...

kernel: mm: prevent derefencing NULL ptr in pfn_section_valid()

In the Linux kernel, the following vulnerability has been resolved: mm: prevent derefencing NULL ptr in pfnsectionvalid Commit 5ec8e8ea8b77 "mm/sparsemem: fix race in accessing memorysection-usage" changed pfnsectionvalid to add a READONCE call around "ms-usage" to fix a race with sectiondeactiva...