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Debian LTS Advisory DLA-3525-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                        Ben Hutchings
August 11, 2023                               https://wiki.debian.org/LTS
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Package        : linux-5.10
Version        : 5.10.179-5~deb10u1
CVE ID         : CVE-2022-40982 CVE-2023-20569

CVE-2022-40982

    Daniel Moghimi discovered Gather Data Sampling (GDS), a hardware
    vulnerability for Intel CPUs which allows unprivileged speculative
    access to data which was previously stored in vector registers.

    This mitigation requires updated CPU microcode provided in the
    intel-microcode package.

    For details please refer to  and
    .

CVE-2023-20569

    Daniel Trujillo, Johannes Wikner and Kaveh Razavi discovered
    INCEPTION, also known as Speculative Return Stack Overflow (SRSO),
    a transient execution attack that leaks arbitrary data on all AMD
    Zen CPUs. An attacker can mis-train the CPU BTB to predict non-
    architectural CALL instructions in kernel space and use this to
    control the speculative target of a subsequent kernel RET,
    potentially leading to information disclosure via a speculative
    side-channel.

    For details please refer to
     and
    .

For Debian 10 buster, these problems have been fixed in version
5.10.179-5~deb10u1.

We recommend that you upgrade your linux-5.10 packages.

For the detailed security status of linux-5.10 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/linux-5.10

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

Debian LTS: DLA-3525-1: linux-5.10 security update

August 11, 2023
CVE-2022-40982 Daniel Moghimi discovered Gather Data Sampling (GDS), a hardware vulnerability for Intel CPUs which allows unprivileged speculative

Summary

Daniel Moghimi discovered Gather Data Sampling (GDS), a hardware
vulnerability for Intel CPUs which allows unprivileged speculative
access to data which was previously stored in vector registers.

This mitigation requires updated CPU microcode provided in the
intel-microcode package.

For details please refer to and
.

CVE-2023-20569

Daniel Trujillo, Johannes Wikner and Kaveh Razavi discovered
INCEPTION, also known as Speculative Return Stack Overflow (SRSO),
a transient execution attack that leaks arbitrary data on all AMD
Zen CPUs. An attacker can mis-train the CPU BTB to predict non-
architectural CALL instructions in kernel space and use this to
control the speculative target of a subsequent kernel RET,
potentially leading to information disclosure via a speculative
side-channel.

For details please refer to
and
.

For Debian 10 buster, these problems have been fixed in version
5.10.179-5~deb10u1.

We recommend that you upgrade your linux-5.10 packages.

For the detailed security status of linux-5.10 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/linux-5.10

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
Package : linux-5.10
Version : 5.10.179-5~deb10u1
CVE ID : CVE-2022-40982 CVE-2023-20569

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