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Vulnerabilities published for linux in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerabilities: 3446

  1. CVE-2021-39657

    Medium · CVSS 4.4EPSS 0.16%Fix available

    CVE-2021-39657

    In ufshcd_eh_device_reset_handler of ufshcd.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-194696049References: Upstream kernel

    • Update to 5.4.0-67.75
    Published Updated
  2. CVE-2021-39656

    Medium · CVSS 6.7EPSS 0.12%Fix available

    CVE-2021-39656

    In __configfs_open_file of file.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174049066References: Upstream kernel

    • Update to 5.4.0-73.82
    Published Updated
  3. CVE-2021-39648

    Medium · CVSS 4.1EPSS 0.17%Fix available

    CVE-2021-39648

    In gadget_dev_desc_UDC_show of configfs.c, there is a possible disclosure of kernel heap memory due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-160822094References: Upstream kernel

    • Update to 5.4.0-67.75
    Published Updated
  4. CVE-2021-0920

    Medium · CVSS 6.4EPSS 0.87%In KEVFix available

    CVE-2021-0920

    In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel

    • Update to 5.4.0-88.99
    Published Updated
  5. CVE-2021-43056

    Medium · CVSS 5.5EPSS 0.37%Fix available

    CVE-2021-43056

    An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values.

    • Update to 5.4.0-92.103
    Published Updated
  6. CVE-2021-0938

    Medium · CVSS 5.5EPSS 0.15%Fix available

    CVE-2021-0938

    In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel

    • Update to 5.4.0-66.74
    Published Updated
  7. CVE-2021-0941

    Medium · CVSS 6.7EPSS 0.17%Fix available

    CVE-2021-0941

    In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-154177719References: Upstream kernel

    • Update to 5.4.0-74.83
    Published Updated
  8. CVE-2021-42252

    High · CVSS 7.8EPSS 0.37%Fix available

    CVE-2021-42252

    An issue was discovered in aspeed_lpc_ctrl_mmap in drivers/soc/aspeed/aspeed-lpc-ctrl.c in the Linux kernel before 5.14.6. Local attackers able to access the Aspeed LPC control interface could overwrite memory in the kernel and potentially execute privileges, aka CID-b49a0e69a7b1. This occurs because a certain comparison uses values that are not memory sizes.

    • Update to 5.4.0-90.101
    Published Updated
  9. CVE-2021-3653

    High · CVSS 8.8EPSS 0.45%Fix available

    CVE-2021-3653

    A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB (virtual machine control block) provided by the L1 guest to spawn/handle a nested guest (L2). Due to improper validation of the "int_ctl" field, this issue could allow a malicious L1 to enable AVIC support (Advanced Virtual Interrupt Controller) for the L2 guest. As a result, the L2 guest would be allowed to read/write physical pages of the host, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape. This flaw affects Linux kernel versions prior to 5.14-rc7.

    • Update to 5.4.0-84.94
    Published Updated
  10. USN-5086-1

    Not ratedFix available

    linux, linux-hwe, linux-hwe-5.11, linux-hwe-5.4 vulnerability

    Johan Almbladh discovered that the eBPF JIT implementation for IBM s390x systems in the Linux kernel miscompiled operations in some situations, allowing circumvention of the BPF verifier. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

    • Update to 5.4.0-86.97
    Published Updated
  11. CVE-2021-21781

    Medium · CVSS 4EPSS 0.5%Fix available

    CVE-2021-21781

    An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version (5.11-rc4) seems to still be vulnerable. A userland application can read the contents of the sigpage, which can leak kernel memory contents. An attacker can read a process’s memory at a specific offset to trigger this vulnerability. This was fixed in kernel releases: 4.14.222 4.19.177 5.4.99 5.10.17 5.11

    • Update to 5.4.0-71.79
    Published Updated

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