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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2023-6606

CVE-2023-6606: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityHigh7.1

    High [CVE-2023-6606] Kernel: out-of-bounds read vulnerability in smbcalcsize

    CVE-2023-6606Source published Source updated

    An out-of-bounds read vulnerability was found in smbCalcSize in fs/smb/client/netmisc.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information. Red Hat severity: Moderate — CVSS 7.1 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H). Weakness: CWE-125. Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.2 Extended Update Support; Red Hat Virtualization 4 for Red Hat Enterprise Linux 8; RHOL-5.8-RHEL-9; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat fixing advisory…

    Affected products in this advisory
    • Red Hat Enterprise Linux 8.6 Extended Update Support
    • Red Hat Enterprise Linux 8.8 Extended Update Support
    • Red Hat Enterprise Linux 9.2 Extended Update Support
    • Red Hat Virtualization 4 for Red Hat Enterprise Linux 8

    4 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • kernel-rt-0:4.18.0-513.18.1.rt7.320.el8_9
    • kernel-0:4.18.0-513.18.1.el8_9
    • kernel-0:4.18.0-372.95.1.el8_6
    • kernel-0:4.18.0-477.51.1.el8_8

    28 more entries in the full advisory.

    Mitigation guidance
    • To mitigate this issue, prevent module cifs from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
    Full advisory and evidenceOpen source bulletin

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