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 a memory leak in the ptpclockregister function...

DEBIAN-CVE-2023-52874

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Zero out the missing RSI in TDXHYPERCALL macro In the TDXHYPERCALL asm, after the TDCALL instruction returns from the untrusted VMM, the registers that the TDX guest shares to the VMM need to be cleared to avoid...

DEBIAN-CVE-2023-52740

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s/interrupt: Fix interrupt exit race with security mitigation switch The RFI and STF security mitigation options can flip the interruptexitnotreentrant static branch condition concurrently with the interrupt exit code...

UBUNTU-CVE-2023-52740

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s/interrupt: Fix interrupt exit race with security mitigation switch The RFI and STF security mitigation options can flip the interruptexitnotreentrant static branch condition concurrently with the interrupt exit code...

CVE-2023-52859 perf: hisi: Fix use-after-free when register pmu fails

In the Linux kernel, the following vulnerability has been resolved: perf: hisi: Fix use-after-free when register pmu fails When we fail to register the uncore pmu, the pmu context may not been allocated. The error handing will call cpuhpstateremoveinstance to call uncore pmu offline callback, whi...

CVE-2023-52859

CVE-2023-52859 affects the Linux kernel perf: hisi uncore PMU registration. A use-after-free can occur when the PMU register path fails and the uncore PMU offline callback is invoked, potentially migrating the PMU context. The fix replaces cpuhp_state_remove_instance() with cpuhp_state_remove_ins...

DEBIAN-CVE-2021-47416

In the Linux kernel, the following vulnerability has been resolved: phy: mdio: fix memory leak Syzbot reported memory leak in MDIO bus interface, the problem was in wrong state logic. MDIOBUSALLOCATED indicates 2 states: 1. Bus is only allocated 2. Bus allocated and mdiobusregister fails, but...

DEBIAN-CVE-2021-47255

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

CVE-2021-47255

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

CVE-2021-47255

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

CVE-2021-47226

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer Both Intel and AMD consider it to be architecturally valid for XRSTOR to fail with PF but nonetheless change the register state. The actual conditions under...

UBUNTU-CVE-2021-47416

In the Linux kernel, the following vulnerability has been resolved: phy: mdio: fix memory leak Syzbot reported memory leak in MDIO bus interface, the problem was in wrong state logic. MDIOBUSALLOCATED indicates 2 states: 1. Bus is only allocated 2. Bus allocated and mdiobusregister fails, but...

CVE-2021-47255

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

UBUNTU-CVE-2021-47287

In the Linux kernel, the following vulnerability has been resolved: driver core: auxiliary bus: Fix memory leak when driverregister fail If driverregister returns with error we need to free the memory allocated for auxdrv-driver.name before returning from auxiliarydriverregister...

CVE-2021-47416 phy: mdio: fix memory leak

In the Linux kernel, the following vulnerability has been resolved: phy: mdio: fix memory leak Syzbot reported memory leak in MDIO bus interface, the problem was in wrong state logic. MDIOBUSALLOCATED indicates 2 states: 1. Bus is only allocated 2. Bus allocated and mdiobusregister fails, but...

CVE-2021-47255 kvm: LAPIC: Restore guard to prevent illegal APIC register access

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

CVE-2021-47255

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

CVE-2021-47255

In CVE-2021-47255, the Linux kernel vulnerability affects KVM LAPIC: a read access path in kvm_lapic_reg_read could touch bytes 4–15 of an APIC register, risking leakage of kernel stack contents. The issue was resolved by restoring a guard removed in a prior commit and aligning with the SDM requi...

SUSE CVE-2024-35791

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Flush pages under kvm-lock to fix UAF in svmregisterencregion Do the cache flush of converted pages in svmregisterencregion before dropping kvm-lock to fix use-after-free issues where region and/or its array of pages...

SUSE CVE-2024-35801

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Keep xfdstate in sync with MSRIA32XFD Commit 672365477ae8 "x86/fpu: Update XFD state where required" and commit 8bf26758ca96 "x86/fpu: Add XFD state to fpstate" introduced a per CPU variable xfdstate to keep the MSRIA32X...