{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2023 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for the Linux Kernel","title":"Title of the patch"},{"category":"description","text":"The SUSE Linux Enterprise 12 SP5 kernel RT was updated to receive various security and bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution (bsc#1184391).\n- CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed multiple bugs in NFC subsytem (bsc#1178181).\n- CVE-2020-36311: Fixed a denial of service (soft lockup) by triggering destruction of a large SEV VM (bsc#1184511).\n- CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393).\n- CVE-2021-30002: Fixed a memory leak for large arguments in video_usercopy (bsc#1184120).\n- CVE-2021-20219: Fixed a denial of service in n_tty_receive_char_special (bsc#1184397).\n\nThe following non-security bugs were fixed:\n\n- cifs: change noisy error message to FYI (bsc#1181507).\n- cifs_debug: use %pd instead of messing with ->d_name (bsc#1181507).\n- cifs: do not send close in compound create+close requests (bsc#1181507).\n- cifs: New optype for session operations (bsc#1181507).\n- cifs: print MIDs in decimal notation (bsc#1181507).\n- cifs: return proper error code in statfs(2) (bsc#1181507).\n- cifs: Tracepoints and logs for tracing credit changes (bsc#1181507).\n- fix setting irq affinity (bsc#1184583)\n- ibmvnic: Use 'skb_frag_address()' instead of hand coding it (bsc#1184114 ltc#192237).\n- locking/mutex: Fix non debug version of mutex_lock_io_nested() (git-fixes).\n- net: sched: disable TCQ_F_NOLOCK for pfifo_fast (bsc#1183405)\n- powerpc/64s: Fix instruction encoding for lis in ppc_function_entry() (bsc#1065729).\n- powerpc/pmem: Include pmem prototypes (bsc#1113295 git-fixes).\n- powerpc/pseries/mobility: handle premature return from H_JOIN (bsc#1181674 ltc#189159 git-fixes bsc#1183662 ltc#191922).\n- powerpc/pseries/mobility: use struct for shared state (bsc#1181674 ltc#189159 git-fixes bsc#1183662 ltc#191922).\n- powerpc/pseries/ras: Remove unused variable 'status' (bsc#1065729).\n- s390/pci: Fix s390_mmio_read/write with MIO (LTC#192079 bsc#1183755).\n- smb3: add dynamic trace point to trace when credits obtained (bsc#1181507).\n- smb3: fix crediting for compounding when only one request in flight (bsc#1181507).\n- usbip: fix stub_dev to check for stream socket (git-fixes).\n- usbip: fix vhci_hcd to check for stream socket (git-fixes).\n- virsh: list is showing less guests then 'xl list' (bsc#1184513).\n- vsprintf: Do not have bprintf dereference pointers (bsc#1184494).\n- vsprintf: Do not preprocess non-dereferenced pointers for bprintf (%px and %pK) (bsc#1184494).\n- vsprintf: Fix off-by-one bug in bstr_printf() processing dereferenced pointers (bsc#1184494).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2021-1266,SUSE-SLE-RT-12-SP5-2021-1266","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"self","summary":"URL for SUSE-SU-2021:1266-1","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20211266-1/"},{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2021_1266-1.json"},{"category":"self","summary":"E-Mail link for SUSE-SU-2021:1266-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2021-April/008657.html"},{"category":"self","summary":"SUSE Bug 1065729","url":"https://bugzilla.suse.com/1065729"},{"category":"self","summary":"SUSE Bug 1113295","url":"https://bugzilla.suse.com/1113295"},{"category":"self","summary":"SUSE Bug 1178181","url":"https://bugzilla.suse.com/1178181"},{"category":"self","summary":"SUSE Bug 1181507","url":"https://bugzilla.suse.com/1181507"},{"category":"self","summary":"SUSE Bug 1181674","url":"https://bugzilla.suse.com/1181674"},{"category":"self","summary":"SUSE Bug 1183405","url":"https://bugzilla.suse.com/1183405"},{"category":"self","summary":"SUSE Bug 1183662","url":"https://bugzilla.suse.com/1183662"},{"category":"self","summary":"SUSE Bug 1183755","url":"https://bugzilla.suse.com/1183755"},{"category":"self","summary":"SUSE Bug 1184114","url":"https://bugzilla.suse.com/1184114"},{"category":"self","summary":"SUSE Bug 1184120","url":"https://bugzilla.suse.com/1184120"},{"category":"self","summary":"SUSE Bug 1184170","url":"https://bugzilla.suse.com/1184170"},{"category":"self","summary":"SUSE Bug 1184391","url":"https://bugzilla.suse.com/1184391"},{"category":"self","summary":"SUSE Bug 1184393","url":"https://bugzilla.suse.com/1184393"},{"category":"self","summary":"SUSE Bug 1184397","url":"https://bugzilla.suse.com/1184397"},{"category":"self","summary":"SUSE Bug 1184494","url":"https://bugzilla.suse.com/1184494"},{"category":"self","summary":"SUSE Bug 1184511","url":"https://bugzilla.suse.com/1184511"},{"category":"self","summary":"SUSE Bug 1184583","url":"https://bugzilla.suse.com/1184583"},{"category":"self","summary":"SUSE CVE CVE-2020-25670 page","url":"https://www.suse.com/security/cve/CVE-2020-25670/"},{"category":"self","summary":"SUSE CVE CVE-2020-25671 page","url":"https://www.suse.com/security/cve/CVE-2020-25671/"},{"category":"self","summary":"SUSE CVE CVE-2020-25672 page","url":"https://www.suse.com/security/cve/CVE-2020-25672/"},{"category":"self","summary":"SUSE CVE CVE-2020-25673 page","url":"https://www.suse.com/security/cve/CVE-2020-25673/"},{"category":"self","summary":"SUSE CVE CVE-2020-36311 page","url":"https://www.suse.com/security/cve/CVE-2020-36311/"},{"category":"self","summary":"SUSE CVE CVE-2021-20219 page","url":"https://www.suse.com/security/cve/CVE-2021-20219/"},{"category":"self","summary":"SUSE CVE CVE-2021-29154 page","url":"https://www.suse.com/security/cve/CVE-2021-29154/"},{"category":"self","summary":"SUSE CVE CVE-2021-30002 page","url":"https://www.suse.com/security/cve/CVE-2021-30002/"},{"category":"self","summary":"SUSE CVE CVE-2021-3483 page","url":"https://www.suse.com/security/cve/CVE-2021-3483/"}],"title":"Security update for the Linux 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In this flaw a local attacker with a normal user privilege could delay the loop (due to a changing ldata->read_head, and a missing sanity check) and cause a threat to the system availability.","title":"Vulnerability description"}],"product_status":{"fixed":["SUSE Linux Enterprise Real Time 12 SP5:cluster-md-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:dlm-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:gfs2-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-devel-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-base-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-source-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-syms-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:ocfs2-kmp-rt-4.12.14-10.40.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2021-20219","url":"https://www.suse.com/security/cve/CVE-2021-20219"},{"category":"external","summary":"SUSE Bug 1184397 for CVE-2021-20219","url":"https://bugzilla.suse.com/1184397"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Real Time 12 SP5:cluster-md-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:dlm-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:gfs2-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-devel-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-base-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-source-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-syms-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:ocfs2-kmp-rt-4.12.14-10.40.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Real Time 12 SP5:cluster-md-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:dlm-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:gfs2-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-devel-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-base-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-source-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-syms-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:ocfs2-kmp-rt-4.12.14-10.40.1.x86_64"]}],"threats":[{"category":"impact","date":"2021-04-20T06:54:57Z","details":"moderate"}],"title":"CVE-2021-20219"},{"cve":"CVE-2021-29154","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2021-29154"}],"notes":[{"category":"general","text":"BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.","title":"Vulnerability description"}],"product_status":{"fixed":["SUSE Linux Enterprise Real Time 12 SP5:cluster-md-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:dlm-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:gfs2-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-devel-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-base-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-source-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 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This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Versions before kernel 5.12-rc6 are affected","title":"Vulnerability description"}],"product_status":{"fixed":["SUSE Linux Enterprise Real Time 12 SP5:cluster-md-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:dlm-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:gfs2-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-devel-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-base-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-source-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-syms-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:ocfs2-kmp-rt-4.12.14-10.40.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2021-3483","url":"https://www.suse.com/security/cve/CVE-2021-3483"},{"category":"external","summary":"SUSE Bug 1184393 for CVE-2021-3483","url":"https://bugzilla.suse.com/1184393"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Real Time 12 SP5:cluster-md-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:dlm-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:gfs2-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-devel-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-base-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-source-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-syms-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:ocfs2-kmp-rt-4.12.14-10.40.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Real Time 12 SP5:cluster-md-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:dlm-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:gfs2-kmp-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-devel-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-base-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-rt_debug-devel-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:kernel-source-rt-4.12.14-10.40.1.noarch","SUSE Linux Enterprise Real Time 12 SP5:kernel-syms-rt-4.12.14-10.40.1.x86_64","SUSE Linux Enterprise Real Time 12 SP5:ocfs2-kmp-rt-4.12.14-10.40.1.x86_64"]}],"threats":[{"category":"impact","date":"2021-04-20T06:54:57Z","details":"moderate"}],"title":"CVE-2021-3483"}]}