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    CVE-2018-17182

    An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.

    Published:Sep 13, 2018
    Last Modified:Nov 21, 2024
    EPS:Sep 19, 2018
    EPSS Score:0.03276
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Active Iq Performance Analytics Services
    Vendor
    Netapp
    Product
    Element Software
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://www.exploit-db.com/exploits/45497/https://www.exploit-db.com/exploits/45497/https://www.exploit-db.com/exploits/45497https://github.com/jas502n/CVE-2018-17182https://github.com/jedai47/cve-2018-17182https://github.com/likekabin/CVE-2018-17182https://github.com/likekabin/vmacache_CVE-2018-17182

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7a9cdebdcc17e426fb5287e4a82db1dfe86339b2
    http://www.securityfocus.com/bid/105417
    http://www.securityfocus.com/bid/106503
    http://www.securitytracker.com/id/1041748
    https://access.redhat.com/errata/RHSA-2018:3656
    https://github.com/torvalds/linux/commit/7a9cdebdcc17e426fb5287e4a82db1dfe86339b2
    https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
    https://security.netapp.com/advisory/ntap-20190204-0001/
    https://usn.ubuntu.com/3776-1/
    https://usn.ubuntu.com/3776-2/
    https://usn.ubuntu.com/3777-1/
    https://usn.ubuntu.com/3777-2/
    https://usn.ubuntu.com/3777-3/
    https://www.debian.org/security/2018/dsa-4308
    https://www.exploit-db.com/exploits/45497/
    https://www.openwall.com/lists/oss-security/2018/09/18/4
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7a9cdebdcc17e426fb5287e4a82db1dfe86339b2
    http://www.securityfocus.com/bid/105417
    http://www.securityfocus.com/bid/106503
    http://www.securitytracker.com/id/1041748
    https://access.redhat.com/errata/RHSA-2018:3656
    https://github.com/torvalds/linux/commit/7a9cdebdcc17e426fb5287e4a82db1dfe86339b2
    https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
    https://security.netapp.com/advisory/ntap-20190204-0001/
    https://usn.ubuntu.com/3776-1/
    https://usn.ubuntu.com/3776-2/
    https://usn.ubuntu.com/3777-1/
    https://usn.ubuntu.com/3777-2/
    https://usn.ubuntu.com/3777-3/
    https://www.debian.org/security/2018/dsa-4308
    https://www.exploit-db.com/exploits/45497/
    https://www.openwall.com/lists/oss-security/2018/09/18/4

    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