kernel: netfilter: bpf: must hold reference on net namespace

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: must hold reference on net namespace BUG: KASAN: slab-use-after-free in nfunregisternethook+0x640/0x6b0 Read of size 8 at addr ffff8880106fe400 by task repro/72= bpfnflinkrelease+0xda/0x1e0 bpflinkfree+0x139/0x2d0...

kernel: bpf: Make sure internal and UAPI bpf_redirect flags don't overlap

In the Linux kernel, the following vulnerability has been resolved: bpf: Make sure internal and UAPI bpfredirect flags don't overlap The bpfredirectinfo is shared between the SKB and XDP redirect paths, and the two paths use the same numeric flag values in the ri-flags field specifically,...

Unbreakable Enterprise kernel security update

6.12.0-1.23.3.1 - x86/bhi: Do not set BHIDISS in 32-bit mode Pawan Gupta Orabug: 37920680 - x86/bpf: Add IBHF call at end of classic BPF Daniel Sneddon Orabug: 37920680 - x86/bpf: Call branch history clearing sequence on exit Daniel Sneddon Orabug: 37920680 - selftest/x86/bugs: Add selftests for...

PT-2025-25791 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A bug in the Linux kernel's HID bpf implementation can cause a cleaned-up SRCU to be accessed after a device has been destroyed, leading to a potential issue. This occurs when a device...

SUSE CVE-2022-49877

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix the sk-skforwardalloc warning of skstreamkillqueues When running testsockmap selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205 skstreamkillqueues+0xd3/0xf0 Call Trace:...

SUSE CVE-2022-49840

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix alignment problem in bpfprogtestrunskb We got a syzkaller problem because of aarch64 alignment fault if KFENCE enabled. When the size from user bpf program is an odd number, like 399, 407, etc, it will cause the...

AZL-70162 CVE-2025-37884 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

DEBIAN-CVE-2025-37884

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

CVE-2025-37884

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

UBUNTU-CVE-2025-37884

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

CVE-2025-37884

CVE-2025-37884: In the Linux kernel, a deadlock between rcu_tasks_trace and event_mutex was fixed. The issue manifested in _free_event() calling perf_trace_event_unreg() under mutex_lock(&event_mutex) while perf_kprobe_destroy() could synchronize_rcu_tasks_trace(), and in bpf_prog_test_run_syscal...

CVE-2025-37884

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

CVE-2025-37884 bpf: Fix deadlock between rcu_tasks_trace and event_mutex.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

CVE-2025-37884 bpf: Fix deadlock between rcu_tasks_trace and event_mutex.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

SUSE CVE-2022-49878

In the Linux kernel, the following vulnerability has been resolved: bpf, verifier: Fix memory leak in array reallocation for stack state If an error NULL is returned by krealloc, callers of reallocarray were setting their allocation pointers to NULL, but on error krealloc does not touch the...

SUSE CVE-2025-37807

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix kmemleak warning for percpu hashmap Vlad Poenaru reported the following kmemleak issue: unreferenced object 0x606fd7c44ac8 size 32: backtrace crc 0: pcpuallocnoprof+0x730/0xeb0 bpfmapallocpercpu+0x69/0xc0...

CVE-2025-37822

In the Linux kernel, the following vulnerability has been resolved: riscv: uprobes: Add missing fence.i after building the XOL buffer The XOL execute out-of-line buffer is used to single-step the replaced instructions for uprobes. The RISC-V port was missing a proper fence.i i$ flushing after...

DEBIAN-CVE-2025-37807

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix kmemleak warning for percpu hashmap Vlad Poenaru reported the following kmemleak issue: unreferenced object 0x606fd7c44ac8 size 32: backtrace crc 0: pcpuallocnoprof+0x730/0xeb0 bpfmapallocpercpu+0x69/0xc0...

CVE-2025-37807

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix kmemleak warning for percpu hashmap Vlad Poenaru reported the following kmemleak issue: unreferenced object 0x606fd7c44ac8 size 32: backtrace crc 0: pcpuallocnoprof+0x730/0xeb0 bpfmapallocpercpu+0x69/0xc0...

UBUNTU-CVE-2025-37822

In the Linux kernel, the following vulnerability has been resolved: riscv: uprobes: Add missing fence.i after building the XOL buffer The XOL execute out-of-line buffer is used to single-step the replaced instructions for uprobes. The RISC-V port was missing a proper fence.i i$ flushing after...