Test ID:	1.3.6.1.4.1.25623.1.0.704774
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DSA-4774-1)
Summary:	The remote host is missing an update for the Debian 'linux' package(s) announced via the DSA-4774-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'linux' package(s) announced via the DSA-4774-1 advisory. Vulnerability Insight: Several vulnerabilities have been discovered in the Linux kernel that may lead to the execution of arbitrary code, privilege escalation, denial of service or information leaks. CVE-2020-12351 Andy Nguyen discovered a flaw in the Bluetooth implementation in the way L2CAP packets with A2MP CID are handled. A remote attacker in short distance knowing the victim's Bluetooth device address can send a malicious l2cap packet and cause a denial of service or possibly arbitrary code execution with kernel privileges. CVE-2020-12352 Andy Nguyen discovered a flaw in the Bluetooth implementation. Stack memory is not properly initialised when handling certain AMP packets. A remote attacker in short distance knowing the victim's Bluetooth device address can retrieve kernel stack information. CVE-2020-25211 A flaw was discovered in netfilter subsystem. A local attacker able to inject conntrack Netlink configuration can cause a denial of service. CVE-2020-25643 ChenNan Of Chaitin Security Research Lab discovered a flaw in the hdlc_ppp module. Improper input validation in the ppp_cp_parse_cr() function may lead to memory corruption and information disclosure. CVE-2020-25645 A flaw was discovered in the interface driver for GENEVE encapsulated traffic when combined with IPsec. If IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel, tunneled data isn't correctly routed over the encrypted link and sent unencrypted instead. For the stable distribution (buster), these problems have been fixed in version 4.19.152-1. The vulnerabilities are fixed by rebasing to the new stable upstream version 4.19.152 which includes additional bugfixes. We recommend that you upgrade your linux packages. For the detailed security status of linux please refer to its security tracker page at: [link moved to references] Affected Software/OS: 'linux' package(s) on Debian 10. Solution: Please install the updated package(s). CVSS Score: 7.5 CVSS Vector: AV:N/AC:M/Au:S/C:P/I:P/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-12351 http://packetstormsecurity.com/files/162131/Linux-Kernel-5.4-BleedingTooth-Remote-Code-Execution.html https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html?wapkw=CVE-2020-12351 Common Vulnerability Exposure (CVE) ID: CVE-2020-12352 http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html Common Vulnerability Exposure (CVE) ID: CVE-2020-25211 Debian Security Information: DSA-4774 (Google Search) https://www.debian.org/security/2020/dsa-4774 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BL2O4JAMPJG4YMLLJ7JFDHDJRXN4RKTC/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLDYVOM4OS55HA45Y3UEVLDHYGFXPZUX/ https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1cc5ef91d2ff94d2bf2de3b3585423e8a1051cb6 https://twitter.com/grsecurity/status/1303646421158109185 https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Common Vulnerability Exposure (CVE) ID: CVE-2020-25643 https://www.starwindsoftware.com/security/sw-20210325-0002/ https://bugzilla.redhat.com/show_bug.cgi?id=1879981 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105 SuSE Security Announcement: openSUSE-SU-2020:1655 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html SuSE Security Announcement: openSUSE-SU-2020:1698 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Common Vulnerability Exposure (CVE) ID: CVE-2020-25645 https://bugzilla.redhat.com/show_bug.cgi?id=1883988 https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html SuSE Security Announcement: openSUSE-SU-2020:1682 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html
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