CVE-2023-52576: Use After Free

In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblockfreelate from imafreekexecbuffer The code calling imafreekexecbuffer runs long after the memblock allocator has already been torn down, potentially resulting in a use after free in...

CVE-2024-26617

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: move mmu notification mechanism inside mm lock Move mmu notification mechanism inside mm lock to prevent race condition in other components which depend on it. The notifier will invalidate memory range. Depending...

CVE-2023-52489: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: mm/sparsemem: fix race in accessing memorysection-usage The below race is observed on a PFN which falls into the device memory region with the system memory configuration where PFN's are such that ZONENORMAL ZONEDEVICE ZONENORMAL...

CVE-2021-47011

In the Linux kernel, the following vulnerability has been resolved: mm: memcontrol: slab: fix obtain a reference to a freeing memcg Patch series "Use objcgroup APIs to charge kmem pages", v5. Since Roman's series "The new cgroup slab memory controller" applied. All slab objects are charged with t...

Design/Logic Flaw

In the Linux kernel, the following vulnerability has been resolved: mm: memcontrol: slab: fix obtain a reference to a freeing memcg Patch series "Use objcgroup APIs to charge kmem pages", v5. Since Roman's series "The new cgroup slab memory controller" applied. All slab objects are charged with t...

CVE-2021-46937

In the Linux kernel, the following vulnerability has been resolved: mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfstargetidswrite' DAMON debugfs interface increases the reference counts of 'struct pid's for targets from the 'targetids' file write callback 'dbgfstargetidswrite', but decreases the...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfstargetidswrite' DAMON debugfs interface increases the reference counts of 'struct pid's for targets from the 'targetids' file write callback 'dbgfstargetidswrite', but decreases the...

CVE-2021-46937

The connected Nessus entry confirms CVE-2021-46937 affects the Linux kernel DAMON debugfs interface: repeated writes to the target_ids file increase pid reference counts without corresponding decreases, causing a memory leak of struct pid. The issue is fixed by a kernel patch that decrements PID ...

CVE-2021-46937 mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfs_target_ids_write()'

In the Linux kernel, the following vulnerability has been resolved: mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfstargetidswrite' DAMON debugfs interface increases the reference counts of 'struct pid's for targets from the 'targetids' file write callback 'dbgfstargetidswrite', but decreases the...

CVE-2021-46937

In the Linux kernel, the following vulnerability has been resolved: mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfstargetidswrite' DAMON debugfs interface increases the reference counts of 'struct pid's for targets from the 'targetids' file write callback 'dbgfstargetidswrite', but decreases the...

CVE-2021-46910

In the Linux kernel, the following vulnerability has been resolved: ARM: 9063/1: mm: reduce maximum number of CPUs if DEBUGKMAPLOCAL is enabled The debugging code for kmaplocal doubles the number of per-CPU fixmap slots allocated for kmaplocal, in order to use half of them as guard regions. This...

CVE-2021-46910 ARM: 9063/1: mm: reduce maximum number of CPUs if DEBUG_KMAP_LOCAL is enabled

In the Linux kernel, the following vulnerability has been resolved: ARM: 9063/1: mm: reduce maximum number of CPUs if DEBUGKMAPLOCAL is enabled The debugging code for kmaplocal doubles the number of per-CPU fixmap slots allocated for kmaplocal, in order to use half of them as guard regions. This...

CVE-2021-46910

CVE-2021-46910 affects the Linux kernel ARM MM fixing path in kmap_local: when CONFIG_DEBUG_KMAP_LOCAL is enabled, per-CPU fixmap slots can grow and collide with the virtual DT mapping, potentially triggering an OOPS on systems with many CPUs. The disclosed remediation in the provided materials i...

CVE-2021-46910: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ARM: 9063/1: mm: reduce maximum number of CPUs if DEBUGKMAPLOCAL is enabled The debugging code for kmaplocal doubles the number of per-CPU fixmap slots allocated for kmaplocal, in order to use half of them as guard regions. This...

CVE-2021-46937: Exposure of Resource to Wrong Sphere

In the Linux kernel, the following vulnerability has been resolved: mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfstargetidswrite' DAMON debugfs interface increases the reference counts of 'struct pid's for targets from the 'targetids' file write callback 'dbgfstargetidswrite', but decreases the...

PT-2024-26824 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue concerns the Linux kernel, specifically with loading 64-bit NOMMU kernels past the start of RAM. A commit added logic to allow using RAM below the kernel load address, but th...

Code injection

In the Linux kernel before 6.6.7, an untrusted VMM can trigger int80 syscall handling at any given point. This is related to arch/x86/coco/tdx/tdx.c and arch/x86/mm/memencryptamd.c...

CVE-2024-25744

In the Linux kernel before 6.6.7, an untrusted VMM can trigger int80 syscall handling at any given point. This is related to arch/x86/coco/tdx/tdx.c and arch/x86/mm/memencryptamd.c...

PT-2024-3790 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a race condition in the Linux kernel's mmu notification mechanism. This mechanism is used to invalidate memory ranges, and depending on the number of iterations...

The vulnerability of the mm-answer-authpassword() function in the OpenSSH cryptographic protection mechanism allows a hacker to execute the Rowhammer attack and bypass the authentication process.

The vulnerability of the mm-answer-authpassword function in the OpenSSH cryptographic protection mechanism is related to deficiencies in the authentication process. This vulnerability arises when an operation exceeds the buffer boundaries in memory, resulting in bit manipulation errors. Exploitin...