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    CVE-2010-2521

    Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel before 2.6.34-rc6 allow remote attackers to cause a denial of service (panic) or possibly execute arbitrary code via a crafted NFSv4 compound WRITE request, related to the read_buf and nfsd4_decode_compound functions.

    Published:Apr 20, 2010
    Last Modified:Apr 11, 2025
    EPS:Sep 7, 2010
    EPSS Score:0.0249
    CVSS Score:10

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    No exploit reference

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    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…
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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2bc3c1179c781b359d4f2f3439cb3df72afc17fc
    http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
    http://secunia.com/advisories/43315
    http://securitytracker.com/id?1024286
    http://www.debian.org/security/2010/dsa-2094
    http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.34/ChangeLog-2.6.34-rc6
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
    http://www.openwall.com/lists/oss-security/2010/07/07/1
    http://www.openwall.com/lists/oss-security/2010/07/09/2
    http://www.redhat.com/support/errata/RHSA-2010-0610.html
    http://www.redhat.com/support/errata/RHSA-2010-0893.html
    http://www.redhat.com/support/errata/RHSA-2010-0907.html
    http://www.securityfocus.com/archive/1/516397/100/0/threaded
    http://www.securityfocus.com/bid/42249
    http://www.ubuntu.com/usn/USN-1000-1
    http://www.vmware.com/security/advisories/VMSA-2011-0003.html
    http://www.vupen.com/english/advisories/2010/3050
    https://bugzilla.redhat.com/show_bug.cgi?id=612028
    https://rhn.redhat.com/errata/RHSA-2010-0606.html
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2bc3c1179c781b359d4f2f3439cb3df72afc17fc
    http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
    http://secunia.com/advisories/43315
    http://securitytracker.com/id?1024286
    http://www.debian.org/security/2010/dsa-2094
    http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.34/ChangeLog-2.6.34-rc6
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
    http://www.openwall.com/lists/oss-security/2010/07/07/1
    http://www.openwall.com/lists/oss-security/2010/07/09/2
    http://www.redhat.com/support/errata/RHSA-2010-0610.html
    http://www.redhat.com/support/errata/RHSA-2010-0893.html
    http://www.redhat.com/support/errata/RHSA-2010-0907.html
    http://www.securityfocus.com/archive/1/516397/100/0/threaded
    http://www.securityfocus.com/bid/42249
    http://www.ubuntu.com/usn/USN-1000-1
    http://www.vmware.com/security/advisories/VMSA-2011-0003.html
    http://www.vupen.com/english/advisories/2010/3050
    https://bugzilla.redhat.com/show_bug.cgi?id=612028
    https://rhn.redhat.com/errata/RHSA-2010-0606.html

    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