CVE-2022-50231

In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/poly1305 - fix a read out-of-bound A kasan error was reported during fuzzing: BUG: KASAN: slab-out-of-bounds in neonpoly1305blocks.constprop.0+0x1b4/0x250 poly1305neon Read of size 4 at addr ffff0010e293f010 by task...

CVE-2022-50231 crypto: arm64/poly1305 - fix a read out-of-bound

In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/poly1305 - fix a read out-of-bound A kasan error was reported during fuzzing: BUG: KASAN: slab-out-of-bounds in neonpoly1305blocks.constprop.0+0x1b4/0x250 poly1305neon Read of size 4 at addr ffff0010e293f010 by task...

CVE-2022-50232 arm64: set UXN on swapper page tables

In the Linux kernel, the following vulnerability has been resolved: arm64: set UXN on swapper page tables This issue was fixed upstream by accident in c3cee924bd85 "arm64: head: cover entire kernel image in initial ID map" as part of a large refactoring of the arm64 boot flow. This simple fix is...

CVE-2022-50232

In the Linux kernel, the following vulnerability has been resolved: arm64: set UXN on swapper page tables This issue was fixed upstream by accident in c3cee924bd85 "arm64: head: cover entire kernel image in initial ID map" as part of a large refactoring of the arm64 boot flow. This simple fix is...

CVE-2022-50231 crypto: arm64/poly1305 - fix a read out-of-bound

In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/poly1305 - fix a read out-of-bound A kasan error was reported during fuzzing: BUG: KASAN: slab-out-of-bounds in neonpoly1305blocks.constprop.0+0x1b4/0x250 poly1305neon Read of size 4 at addr ffff0010e293f010 by task...

CVE-2022-50230 arm64: set UXN on swapper page tables

In the Linux kernel, the following vulnerability has been resolved: arm64: set UXN on swapper page tables This issue was fixed upstream by accident in c3cee924bd85 "arm64: head: cover entire kernel image in initial ID map" as part of a large refactoring of the arm64 boot flow. This simple fix is...

CVE-2022-50230

In the Linux kernel, the following vulnerability has been resolved: arm64: set UXN on swapper page tables This issue was fixed upstream by accident in c3cee924bd85 "arm64: head: cover entire kernel image in initial ID map" as part of a large refactoring of the arm64 boot flow. This simple fix is...

CVE-2022-50230 arm64: set UXN on swapper page tables

In the Linux kernel, the following vulnerability has been resolved: arm64: set UXN on swapper page tables This issue was fixed upstream by accident in c3cee924bd85 "arm64: head: cover entire kernel image in initial ID map" as part of a large refactoring of the arm64 boot flow. This simple fix is...

CVE-2022-50206 arm64: fix oops in concurrently setting insn_emulation sysctls

In the Linux kernel, the following vulnerability has been resolved: arm64: fix oops in concurrently setting insnemulation sysctls emulationprochandler changes table-data for procdointvecminmax and can generate the following Oops if called concurrently with itself: | Unable to handle kernel NULL...

CVE-2022-50206 arm64: fix oops in concurrently setting insn_emulation sysctls

In the Linux kernel, the following vulnerability has been resolved: arm64: fix oops in concurrently setting insnemulation sysctls emulationprochandler changes table-data for procdointvecminmax and can generate the following Oops if called concurrently with itself: | Unable to handle kernel NULL...

CVE-2022-50206

In the Linux kernel, the following vulnerability has been resolved: arm64: fix oops in concurrently setting insnemulation sysctls emulationprochandler changes table-data for procdointvecminmax and can generate the following Oops if called concurrently with itself: | Unable to handle kernel NULL...

CVE-2022-50091 locking/csd_lock: Change csdlock_debug from early_param to __setup

In the Linux kernel, the following vulnerability has been resolved: locking/csdlock: Change csdlockdebug from earlyparam to setup The csdlockdebug kernel-boot parameter is parsed by the earlyparam function csdlockdebug. If set, csdlockdebug invokes staticbranchenable to enable csdlockwait feature...

CVE-2022-49964

In the Linux kernel, the following vulnerability has been resolved: arm64: cacheinfo: Fix incorrect assignment of signed error value to unsigned fwlevel Though acpifindlastcachelevel always returned signed value and the document states it will return any errors caused by lack of a PPTT table, it...

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 the Linux kernel that stems from arm64 cacheinfo incorrectly assigning signed error values to unsigned fwlevels, which could lead to memory...

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 the Linux kernel that stems from arm64 not setting the UXN in the swapper page table, which could result in access being denied...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: arm64: bpf: Mitigation is only applied to cBPF programs loaded by unprivileged users. Support for eBPF programs loaded by unprivileged users is typically disabled. This means that only cBPF programs need to be mitigated for BHB...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Destroying vGIC structures during failed vCPU creation If the function kvmarchvcpucreate fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl, but leave the vGIC vCPU structures...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: arm64: Do not call NULL in docompatalignmentfixup doalignmentt32tohandler only fixes up alignment faults for specific instructions; it returns NULL otherwise e.g., for LDREX. When this is the case, it signals to the caller that i...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: arm64: cacheinfo: Avoid out-of-bounds write to the cacheinfo array The loop that detects/populates cache information already includes a check on the array size, but it does not take into account cache levels with separate...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: arm64: bpf: Added BHB mitigation to the epilogue for cBPF programs. A malicious BPF program may manipulate the branch history to influence what the hardware speculates will happen next. Upon exiting a cBPF program, the BHB...