CVE Feed

    Dashboard / CVE / CVE-2019-19767

    CVE-2019-19767

    The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.

    Published:Nov 7, 2019
    Last Modified:Nov 21, 2024
    EPS:Dec 12, 2019
    EPSS Score:0.00519
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    https://bugzilla.kernel.org/show_bug.cgi?id=205609https://bugzilla.kernel.org/show_bug.cgi?id=205609

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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/2020-03/msg00021.html
    https://bugzilla.kernel.org/show_bug.cgi?id=205609
    https://bugzilla.kernel.org/show_bug.cgi?id=205707
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
    https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
    https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
    https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
    https://security.netapp.com/advisory/ntap-20200103-0001/
    https://usn.ubuntu.com/4258-1/
    https://usn.ubuntu.com/4284-1/
    https://usn.ubuntu.com/4287-1/
    https://usn.ubuntu.com/4287-2/
    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
    https://bugzilla.kernel.org/show_bug.cgi?id=205609
    https://bugzilla.kernel.org/show_bug.cgi?id=205707
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
    https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
    https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
    https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
    https://security.netapp.com/advisory/ntap-20200103-0001/
    https://usn.ubuntu.com/4258-1/
    https://usn.ubuntu.com/4284-1/
    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