CVE-2023-52750

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPUBIGENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM's integrated assembler would incorrectly byte-swap NOP when compiling for big-endian, and the resulting series of bytes happened to match...

CVE-2023-52701

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...

UBUNTU-CVE-2023-52750

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPUBIGENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM's integrated assembler would incorrectly byte-swap NOP when compiling for big-endian, and the resulting series of bytes happened to match...

CVE-2023-52854

In the Linux kernel, the following vulnerability has been resolved: padata: Fix refcnt handling in padatafreeshell In a high-load arm64 environment, the pcryptaead01 test in LTP can lead to system UAF Use-After-Free issues. Due to the lengthy analysis of the pcryptaead01 function call, I'll...

CVE-2023-52701

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...

CVE-2023-52854 padata: Fix refcnt handling in padata_free_shell()

In the Linux kernel, the following vulnerability has been resolved: padata: Fix refcnt handling in padatafreeshell In a high-load arm64 environment, the pcryptaead01 test in LTP can lead to system UAF Use-After-Free issues. Due to the lengthy analysis of the pcryptaead01 function call, I'll...

CVE-2023-52854

CVE-2023-52854 affects the Linux kernel's padata subsystem. In high-load arm64 scenarios, a race in refcount handling can cause a Use-After-Free when pd is freed during padata_serial_worker execution, leading to a potential crash or memory corruption. The documented root cause is improper refcoun...

CVE-2023-52854 padata: Fix refcnt handling in padata_free_shell()

In the Linux kernel, the following vulnerability has been resolved: padata: Fix refcnt handling in padatafreeshell In a high-load arm64 environment, the pcryptaead01 test in LTP can lead to system UAF Use-After-Free issues. Due to the lengthy analysis of the pcryptaead01 function call, I'll...

CVE-2023-52854

In the Linux kernel, the following vulnerability has been resolved: padata: Fix refcnt handling in padatafreeshell In a high-load arm64 environment, the pcryptaead01 test in LTP can lead to system UAF Use-After-Free issues. Due to the lengthy analysis of the pcryptaead01 function call, I'll...

CVE-2023-52750

The CVE-2023-52750 entry concerns the Linux kernel on arm64 where CPU_BIG_ENDIAN must be restricted to using a trusted assembler (GNU as or LLVM IAS 15.x or newer). Before LLVM 15, LLVM’s integrated assembler could byte-swap NOPs for big-endian targets, causing a sequence of bytes that matched th...

CVE-2023-52750 arm64: Restrict CPU_BIG_ENDIAN to GNU as or LLVM IAS 15.x or newer

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPUBIGENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM's integrated assembler would incorrectly byte-swap NOP when compiling for big-endian, and the resulting series of bytes happened to match...

CVE-2023-52750 arm64: Restrict CPU_BIG_ENDIAN to GNU as or LLVM IAS 15.x or newer

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPUBIGENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM's integrated assembler would incorrectly byte-swap NOP when compiling for big-endian, and the resulting series of bytes happened to match...

CVE-2023-52750 arm64: Restrict CPU_BIG_ENDIAN to GNU as or LLVM IAS 15.x or newer

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPUBIGENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM's integrated assembler would incorrectly byte-swap NOP when compiling for big-endian, and the resulting series of bytes happened to match...

CVE-2023-52701 net: use a bounce buffer for copying skb->mark

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...

CVE-2023-52701

The CVE-2023-52701 entry concerns Linux kernel net handling: copying skb marks and skb_cb data led to a memory exposure via usercopy checks, observed as a kernel crash on arm64 when CONFIG_HARDENED_USERCOPY=y. Root cause: copying data from skb->cb[] and skb->mark can bypass size checks; pat...

CVE-2023-52701 net: use a bounce buffer for copying skb->mark

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...

CVE-2023-52701 net: use a bounce buffer for copying skb->mark

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...

CVE-2023-52701

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...

CVE-2021-47341

In the Linux kernel, the following vulnerability has been resolved: KVM: mmio: Fix use-after-free Read in kvmvmioctlunregistercoalescedmmio BUG: KASAN: use-after-free in kvmvmioctlunregistercoalescedmmio+0x7c/0x1ec arch/arm64/kvm/../../../virt/kvm/coalescedmmio.c:183 Read of size 8 at addr...

CVE-2021-47341

In the Linux kernel, the following vulnerability has been resolved: KVM: mmio: Fix use-after-free Read in kvmvmioctlunregistercoalescedmmio BUG: KASAN: use-after-free in kvmvmioctlunregistercoalescedmmio+0x7c/0x1ec arch/arm64/kvm/../../../virt/kvm/coalescedmmio.c:183 Read of size 8 at addr...