Linux 6.4 Use-After-Free / Race Condition Exploit

There is a race between mbind and VMA-locked page faults in the Linux 6.4 kernel, leading to a use-after-free condition. Linux 6.4: UAF race between mbind and VMA-locked page fault tested on git master, at commit 57012c57536f Summary: There's a race between mbind and VMA-locked page faults, leadi...

Linux 6.4 Use-After-Free / Race Condition

Linux 6.4: UAF race between mbind and VMA-locked page fault tested on git master, at commit 57012c57536f Summary: There's a race between mbind and VMA-locked page faults, leading to UAF. You can quickly hit this with a straightforward reproducer that just keeps calling mbind on one thread and...

Use after free race between mbind() and vma-locked page fault

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AZL-28546 CVE-2023-4611 affecting package kernel for versions less than 5.15.135.1-2

A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak...

CVE-2023-4611

A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak...

CVE-2023-4611 Use after free race between mbind() and vma-locked page fault

A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak...

CVE-2023-4611

A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak. Mitigation Mitigation for this...