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    CVE-2006-2071

    Linux kernel 2.4.x and 2.6.x up to 2.6.16 allows local users to bypass IPC permissions and modify a readonly attachment of shared memory by using mprotect to give write permission to the attachment. NOTE: some original raw sources combined this issue with CVE-2006-1524, but they are different bugs.

    Published:Apr 17, 2006
    Last Modified:Apr 16, 2026
    EPS:Apr 27, 2006
    EPSS Score:0.00107
    CVSS Score:2.1

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    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://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.6
    http://secunia.com/advisories/20157
    http://secunia.com/advisories/20716
    http://secunia.com/advisories/21035
    http://secunia.com/advisories/22292
    http://secunia.com/advisories/22497
    http://secunia.com/advisories/22875
    http://secunia.com/advisories/22945
    http://secunia.com/advisories/23064
    http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
    http://support.avaya.com/elmodocs2/security/ASA-2006-254.htm
    http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b78b6af66a5fbaf17d7e6bfc32384df5e34408c8
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:086
    http://www.osvdb.org/25139
    http://www.redhat.com/support/errata/RHSA-2006-0579.html
    http://www.redhat.com/support/errata/RHSA-2006-0580.html
    http://www.redhat.com/support/errata/RHSA-2006-0689.html
    http://www.redhat.com/support/errata/RHSA-2006-0710.html
    http://www.securityfocus.com/archive/1/451404/100/0/threaded
    http://www.securityfocus.com/archive/1/451417/100/200/threaded
    http://www.securityfocus.com/archive/1/451419/100/200/threaded
    http://www.securityfocus.com/archive/1/451426/100/200/threaded
    http://www.ubuntu.com/usn/usn-302-1
    http://www.vmware.com/download/esx/esx-202-200610-patch.html
    http://www.vmware.com/download/esx/esx-213-200610-patch.html
    http://www.vmware.com/download/esx/esx-254-200610-patch.html
    http://www.vupen.com/english/advisories/2006/1391
    http://www.vupen.com/english/advisories/2006/4502
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=190073
    https://exchange.xforce.ibmcloud.com/vulnerabilities/26169
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9978
    http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.6
    http://secunia.com/advisories/20157
    http://secunia.com/advisories/20716
    http://secunia.com/advisories/21035
    http://secunia.com/advisories/22292
    http://secunia.com/advisories/22497
    http://secunia.com/advisories/22875
    http://secunia.com/advisories/22945
    http://secunia.com/advisories/23064
    http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
    http://support.avaya.com/elmodocs2/security/ASA-2006-254.htm
    http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b78b6af66a5fbaf17d7e6bfc32384df5e34408c8
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:086
    http://www.osvdb.org/25139
    http://www.redhat.com/support/errata/RHSA-2006-0579.html
    http://www.redhat.com/support/errata/RHSA-2006-0580.html
    http://www.redhat.com/support/errata/RHSA-2006-0689.html
    http://www.redhat.com/support/errata/RHSA-2006-0710.html
    http://www.securityfocus.com/archive/1/451404/100/0/threaded
    http://www.securityfocus.com/archive/1/451417/100/200/threaded
    http://www.securityfocus.com/archive/1/451419/100/200/threaded
    http://www.securityfocus.com/archive/1/451426/100/200/threaded
    http://www.ubuntu.com/usn/usn-302-1
    http://www.vmware.com/download/esx/esx-202-200610-patch.html
    http://www.vmware.com/download/esx/esx-213-200610-patch.html
    http://www.vmware.com/download/esx/esx-254-200610-patch.html
    http://www.vupen.com/english/advisories/2006/1391
    http://www.vupen.com/english/advisories/2006/4502
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=190073
    https://exchange.xforce.ibmcloud.com/vulnerabilities/26169
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9978

    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