CVE-2025-21778: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tracing: Do not allow mmap of persistent ring buffer When trying to mmap a trace instance buffer that is attached to reservemem, it would crash: BUG: unable to handle page fault for address: ffffe97bd00025c8 PF: supervisor read...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from tracing not properly handling mmap for persistent ring buffers, which could lead to a crash...

USN-7291-1 linux-gcp, linux-gcp-5.15, linux-gke vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drivers; - GPU drivers; - HID subsystem; -...

USN-7303-1 linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACPI drivers; - Drivers cor...

DEBIAN-CVE-2022-49648

In the Linux kernel, the following vulnerability has been resolved: tracing/histograms: Fix memory leak problem This reverts commit 46bbe5c671e06f070428b9be142cc4ee5cedebac. As commit 46bbe5c671e0 "tracing: fix double free" said, the "double free" problem reported by clang static analyzer is: In...

DEBIAN-CVE-2022-49402

In the Linux kernel, the following vulnerability has been resolved: ftrace: Clean up hash directfunctions on register failures We see the following GPF when registerftracedirect fails: general protection fault, probably for non-canonical address \ 0x200000000000010: 0000 1 PREEMPT SMP...

DEBIAN-CVE-2022-49322

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix sleeping function called from invalid context on RT kernel When setting bootparams="traceevent=initcall:initcallstart tpprintk=1" in the cmdline, the outputprintk was called, and the spinlockirqsave was called in the...

UBUNTU-CVE-2022-49410

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix potential double free in createvarref In createvarref, initvarref is called to initialize the fields of variable reffield, which is allocated in the previous function call to createhistfield. Function initvarref...

UBUNTU-CVE-2022-49648

In the Linux kernel, the following vulnerability has been resolved: tracing/histograms: Fix memory leak problem This reverts commit 46bbe5c671e06f070428b9be142cc4ee5cedebac. As commit 46bbe5c671e0 "tracing: fix double free" said, the "double free" problem reported by clang static analyzer is: In...

CVE-2022-49065

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix the svcdeferredevent trace class Fix a NULL deref crash that occurs when an svcrqst is deferred while the sunrpc tracing subsystem is enabled. svcrevisit sets dr-xprt to NULL, so it can't be relied upon in the...

DEBIAN-CVE-2022-49065

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix the svcdeferredevent trace class Fix a NULL deref crash that occurs when an svcrqst is deferred while the sunrpc tracing subsystem is enabled. svcrevisit sets dr-xprt to NULL, so it can't be relied upon in the...

UBUNTU-CVE-2022-49065

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix the svcdeferredevent trace class Fix a NULL deref crash that occurs when an svcrqst is deferred while the sunrpc tracing subsystem is enabled. svcrevisit sets dr-xprt to NULL, so it can't be relied upon in the...

CVE-2022-49648 tracing/histograms: Fix memory leak problem

In the Linux kernel, the following vulnerability has been resolved: tracing/histograms: Fix memory leak problem This reverts commit 46bbe5c671e06f070428b9be142cc4ee5cedebac. As commit 46bbe5c671e0 "tracing: fix double free" said, the "double free" problem reported by clang static analyzer is: In...

CVE-2022-49648

CVE-2022-49648 – Linux kernel tracing/histograms memory leak fix . The provided documents confirm a memory-leak regression in the tracing/histograms area that occurred after a double-free fix, and that the issue was resolved by reverting the commit described as fixing double free. The description...

CVE-2022-49648 tracing/histograms: Fix memory leak problem

In the Linux kernel, the following vulnerability has been resolved: tracing/histograms: Fix memory leak problem This reverts commit 46bbe5c671e06f070428b9be142cc4ee5cedebac. As commit 46bbe5c671e0 "tracing: fix double free" said, the "double free" problem reported by clang static analyzer is: In...

CVE-2022-49648

In the Linux kernel, the following vulnerability has been resolved: tracing/histograms: Fix memory leak problem This reverts commit 46bbe5c671e06f070428b9be142cc4ee5cedebac. As commit 46bbe5c671e0 "tracing: fix double free" said, the "double free" problem reported by clang static analyzer is: In...

CVE-2022-49622

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: avoid skb access on nfstolen When verdict is NFSTOLEN, the skb might have been freed. When tracing is enabled, this can result in a use-after-free: 1. access to skb-nftrace 2. access to skb-mark 3. computatio...

CVE-2022-49423 rtla: Avoid record NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: rtla: Avoid record NULL pointer dereference Fix the following null/derefnull.cocci errors: ./tools/tracing/rtla/src/osnoisehist.c:870:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/osnoisetop.c:650:31-36:...

CVE-2022-49423

In the Linux kernel, the following vulnerability has been resolved: rtla: Avoid record NULL pointer dereference Fix the following null/derefnull.cocci errors: ./tools/tracing/rtla/src/osnoisehist.c:870:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/osnoisetop.c:650:31-36:...

CVE-2022-49410 tracing: Fix potential double free in create_var_ref()

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix potential double free in createvarref In createvarref, initvarref is called to initialize the fields of variable reffield, which is allocated in the previous function call to createhistfield. Function initvarref...