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Related Vulnerabilities: CVE-2021-3571

A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability. (CVE-2021-3571)

Source

ALAS2-2021-1705

Amazon Linux 2 Security Advisory: ALAS-2021-1705
Advisory Release Date: 2021-09-08 23:35 Pacific
Advisory Updated Date: 2021-09-15 17:50 Pacific

Severity: Medium

References: CVE-2021-3571

Issue Overview:

A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability. (CVE-2021-3571)

Affected Packages:

linuxptp

Issue Correction:
Run yum update linuxptp to update your system.

New Packages:

aarch64:
    linuxptp-2.0-2.amzn2.1.2.aarch64
    linuxptp-debuginfo-2.0-2.amzn2.1.2.aarch64

i686:
    linuxptp-2.0-2.amzn2.1.2.i686
    linuxptp-debuginfo-2.0-2.amzn2.1.2.i686

src:
    linuxptp-2.0-2.amzn2.1.2.src

x86_64:
    linuxptp-2.0-2.amzn2.1.2.x86_64
    linuxptp-debuginfo-2.0-2.amzn2.1.2.x86_64

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ALAS2-2021-1705

ALAS2-2021-1705

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