Test ID:	1.3.6.1.4.1.25623.1.1.2.2021.1265
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2021-1265)
Summary:	The remote host is missing an update for the Huawei EulerOS 'kernel' package(s) announced via the EulerOS-SA-2021-1265 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'kernel' package(s) announced via the EulerOS-SA-2021-1265 advisory. Vulnerability Insight: In drivers/target/target_core_xcopy.c in the Linux kernel before 5.10.7, insufficient identifier checking in the LIO SCSI target code can be used by remote attackers to read or write files via directory traversal in an XCOPY request, aka CID-2896c93811e3. For example, an attack can occur over a network if the attacker has access to one iSCSI LUN. The attacker gains control over file access because I/O operations are proxied via an attacker-selected backstore.(CVE-2020-28374) mwifiex_cmd_802_11_ad_hoc_start in drivers/net/wireless/marvell/mwifiex/join.c in the Linux kernel through 5.10.4 might allow remote attackers to execute arbitrary code via a long SSID value, aka CID-5c455c5ab332.(CVE-2020-36158) In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. (CVE-2021-0342) A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14351) fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via READDIRPLUS. NOTE: some parties argue that such a subdirectory export is not intended to prevent this attack, see also the exports(5) no_subtree_check default behavior.(CVE-2021-3178) Affected Software/OS: 'kernel' package(s) on Huawei EulerOS V2.0SP9(x86_64). 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-2020-14351 https://bugzilla.redhat.com/show_bug.cgi?id=1862849 https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Common Vulnerability Exposure (CVE) ID: CVE-2020-28374 Debian Security Information: DSA-4843 (Google Search) https://www.debian.org/security/2021/dsa-4843 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LTGQDYIEO2GOCOOKADBHEITF44GY55QF/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HK7SRTITN5ABAUOOIGFVR7XE5YKYYAVO/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FZEUPID5DZYLZBIO4BEVLHFUDZZIFL57/ http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html https://bugzilla.suse.com/attachment.cgi?id=844938 https://bugzilla.suse.com/show_bug.cgi?id=1178372 https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html http://www.openwall.com/lists/oss-security/2021/01/13/2 http://www.openwall.com/lists/oss-security/2021/01/13/5 Common Vulnerability Exposure (CVE) ID: CVE-2020-36158 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HCHBIRS27VMOGMBHPWP2R7SZRFXT6O6U/ https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c455c5ab332773464d02ba17015acdca198f03d https://github.com/torvalds/linux/commit/5c455c5ab332773464d02ba17015acdca198f03d https://lore.kernel.org/r/20201206084801.26479-1-ruc_zhangxiaohui@163.com https://patchwork.kernel.org/project/linux-wireless/patch/20201206084801.26479-1-ruc_zhangxiaohui@163.com/ Common Vulnerability Exposure (CVE) ID: CVE-2021-0342 https://source.android.com/security/bulletin/pixel/2021-01-01 Common Vulnerability Exposure (CVE) ID: CVE-2021-3178 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5SGB7TNDVQEOJ7NVTGX56UWHDNQM5TRC/ https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51b2ee7d006a736a9126e8111d1f24e4fd0afaa6 https://patchwork.kernel.org/project/linux-nfs/patch/20210111210129.GA11652@fieldses.org/
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