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    CVE-2013-2852

    Format string vulnerability in the b43_request_firmware function in drivers/net/wireless/b43/main.c in the Broadcom B43 wireless driver in the Linux kernel through 3.9.4 allows local users to gain privileges by leveraging root access and including format string specifiers in an fwpostfix modprobe parameter, leading to improper construction of an error message.

    Published:Jun 6, 2013
    Last Modified:Apr 11, 2025
    EPS:Jun 7, 2013
    EPSS Score:0.00255
    CVSS Score:6.9

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    https://www.exploit-db.com/exploits/38559

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-135 Format String Injection
    CAPEC-67 String Format Overflow in syslog()

    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/linville/wireless.git/commit/?id=9538cbaab6e8b8046039b4b2eb6c9d614dc782bd
    http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
    http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
    http://rhn.redhat.com/errata/RHSA-2013-1051.html
    http://rhn.redhat.com/errata/RHSA-2013-1450.html
    http://www.debian.org/security/2013/dsa-2766
    http://www.openwall.com/lists/oss-security/2013/06/06/13
    http://www.ubuntu.com/usn/USN-1899-1
    http://www.ubuntu.com/usn/USN-1900-1
    http://www.ubuntu.com/usn/USN-1914-1
    http://www.ubuntu.com/usn/USN-1915-1
    http://www.ubuntu.com/usn/USN-1916-1
    http://www.ubuntu.com/usn/USN-1917-1
    http://www.ubuntu.com/usn/USN-1918-1
    http://www.ubuntu.com/usn/USN-1919-1
    http://www.ubuntu.com/usn/USN-1920-1
    http://www.ubuntu.com/usn/USN-1930-1
    https://bugzilla.redhat.com/show_bug.cgi?id=969518
    http://git.kernel.org/cgit/linux/kernel/git/linville/wireless.git/commit/?id=9538cbaab6e8b8046039b4b2eb6c9d614dc782bd
    http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
    http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
    http://rhn.redhat.com/errata/RHSA-2013-1051.html
    http://rhn.redhat.com/errata/RHSA-2013-1450.html
    http://www.debian.org/security/2013/dsa-2766
    http://www.openwall.com/lists/oss-security/2013/06/06/13
    http://www.ubuntu.com/usn/USN-1899-1
    http://www.ubuntu.com/usn/USN-1900-1
    http://www.ubuntu.com/usn/USN-1914-1
    http://www.ubuntu.com/usn/USN-1915-1
    http://www.ubuntu.com/usn/USN-1916-1
    http://www.ubuntu.com/usn/USN-1917-1
    http://www.ubuntu.com/usn/USN-1918-1
    http://www.ubuntu.com/usn/USN-1919-1
    http://www.ubuntu.com/usn/USN-1920-1
    http://www.ubuntu.com/usn/USN-1930-1
    https://bugzilla.redhat.com/show_bug.cgi?id=969518

    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