Test ID:	1.3.6.1.4.1.25623.1.0.844897
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4911-1)
Summary:	The remote host is missing an update for the 'linux-oem-5.10' package(s) announced via the USN-4911-1 advisory.
Description:	Summary: The remote host is missing an update for the 'linux-oem-5.10' package(s) announced via the USN-4911-1 advisory. Vulnerability Insight: It was discovered that the Nouveau GPU driver in the Linux kernel did not properly handle error conditions in some situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2020-25639) Jan Beulich discovered that the Xen netback backend in the Linux kernel did not properly handle certain error conditions under paravirtualization. An attacker in a guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2021-28038) It was discovered that the fastrpc driver in the Linux kernel did not prevent user space applications from sending kernel RPC messages. A local attacker could possibly use this to gain elevated privileges. (CVE-2021-28375) It was discovered that the fuse user space file system implementation in the Linux kernel did not properly handle bad inodes in some situations. A local attacker could possibly use this to cause a denial of service. (CVE-2021-28950) Affected Software/OS: 'linux-oem-5.10' package(s) on Ubuntu 20.04. Solution: Please install the updated package(s). CVSS Score: 7.2 CVSS Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-25639 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/ https://bugzilla.redhat.com/show_bug.cgi?id=1876995 Common Vulnerability Exposure (CVE) ID: CVE-2021-28038 http://xenbits.xen.org/xsa/advisory-367.html https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2991397d23ec597405b116d96de3813420bdcbc3 https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html http://www.openwall.com/lists/oss-security/2021/03/05/1 Common Vulnerability Exposure (CVE) ID: CVE-2021-28375 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XAUNYDTGE6MB4NWL2SIHPCODCLET3JZB/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OMRQVOTASD3VZP6GE4JJHE27QU6FHTZ6/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJPVQZPY3DHPV5I3IVNMSMO6D3PKZISX/ https://git.kernel.org/linus/20c40794eb85ea29852d7bc37c55713802a543d6 https://lore.kernel.org/stable/YD03ew7+6v0XPh6l@kroah.com/ Common Vulnerability Exposure (CVE) ID: CVE-2021-28950 Debian Security Information: DSA-5096 (Google Search) https://www.debian.org/security/2022/dsa-5096 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FB6LUXPEIRLZH32YXWZVEZAD4ZL6SDK2/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QRTPQE73ANG7D6M4L4PK5ZQDPO4Y2FVD/ https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.8 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=775c5033a0d164622d9d10dd0f0a5531639ed3ed https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
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