CVE Feed

    Dashboard / CVE / CVE-2019-19227

    CVE-2019-19227

    In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because register_snap_client may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregister_snap_client, aka CID-9804501fa122.

    Published:Nov 22, 2019
    Last Modified:Nov 21, 2024
    EPS:Nov 22, 2019
    EPSS Score:0.00051
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-80925 — In the Linux kernel, the following vulnerability has been resolved: vlan: fix skb_under_panic and races when …
    CVE-2026-80924 (CVSS 7.5) — In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - use kfree_sensitive() for …
    CVE-2026-80923 — In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on tty_regis…
    CVE-2026-80922 — In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Allow zero as a random…
    CVE-2026-80921 (CVSS 8.8) — In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits …
    CVE-2026-80920 — In the Linux kernel, the following vulnerability has been resolved: io_uring: defer eventfd signaling when qu…
    CVE-2026-80919 — In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix recursive ww_mutex acquir…
    CVE-2026-80918 — In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confus…
    CVE-2026-80917 — In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer deref…
    CVE-2026-80916 — In the Linux kernel, the following vulnerability has been resolved: kcov: fix data corruption and race condit…

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
    http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9804501fa1228048857910a6bf23e085aade37cc
    https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
    https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
    https://seclists.org/bugtraq/2020/Jan/10
    https://security.netapp.com/advisory/ntap-20200103-0001/
    https://usn.ubuntu.com/4254-1/
    https://usn.ubuntu.com/4254-2/
    https://usn.ubuntu.com/4258-1/
    https://usn.ubuntu.com/4287-1/
    https://usn.ubuntu.com/4287-2/
    http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
    http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9804501fa1228048857910a6bf23e085aade37cc
    https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
    https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
    https://seclists.org/bugtraq/2020/Jan/10
    https://security.netapp.com/advisory/ntap-20200103-0001/
    https://usn.ubuntu.com/4254-1/
    https://usn.ubuntu.com/4254-2/
    https://usn.ubuntu.com/4258-1/
    https://usn.ubuntu.com/4287-1/
    https://usn.ubuntu.com/4287-2/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High