{"schemaVersion":3,"id":"SUSE-SU-2022:0366-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for the Linux Kernel\n\n\n\nThe SUSE Linux Enterprise 15 SP1 LTSS kernel was updated to receive various security and bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate domain record count on input (bsc#1195254).\n- CVE-2022-0330: Fixed flush TLBs before releasing backing store (bsc#1194880).\n- CVE-2021-45486: Fixed an information leak because the hash table is very small in net/ipv4/route.c (bnc#1194087).\n- CVE-2021-45095: Fixed refcount leak in pep_sock_accept in net/phonet/pep.c (bnc#1193867).\n- CVE-2021-44733: Fixed a use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem, that could have occured because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object (bnc#1193767).\n- CVE-2021-43976: Fixed a flaw that could allow an attacker (who can connect a crafted USB device) to cause a denial of service. (bnc#1192847)\n- CVE-2021-43975: Fixed a flaw in hw_atl_utils_fw_rpc_wait that could allow an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value. (bsc#1192845)\n- CVE-2021-4202: Fixed NFC race condition by adding NCI_UNREG flag (bsc#1194529).\n- CVE-2021-4197: Use cgroup open-time credentials for process migraton perm checks (bsc#1194302).\n- CVE-2021-4159: Fixed kernel ptr leak vulnerability via BPF in coerce_reg_to_size (bsc#1194227).\n- CVE-2021-4149: Fixed btrfs unlock newly allocated extent buffer after error (bsc#1194001).\n- CVE-2021-4135: Fixed zero-initialize memory inside netdevsim for new map's value in function nsim_bpf_map_alloc (bsc#1193927).\n- CVE-2021-4083: Fixed a read-after-free memory flaw inside the garbage collection for Unix domain socket file handlers when users call close() and fget() simultaneouslyand can potentially trigger a race condition (bnc#1193727).\n- CVE-2021-4002: Fixed incorrect TLBs flush in hugetlbfs after huge_pmd_unshare (bsc#1192946).\n- CVE-2021-39657: Fixed out of bounds read due to a missing bounds check in ufshcd_eh_device_reset_handler of ufshcd.c. This could lead to local information disclosure with System execution privileges needed (bnc#1193864).\n- CVE-2021-39648: Fixed possible disclosure of kernel heap memory due to a race condition in gadget_dev_desc_UDC_show of configfs.c. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation (bnc#1193861).\n- CVE-2021-3564: Fixed double-free memory corruption in the Linux kernel HCI device initialization subsystem that could have been used by attaching malicious HCI TTY Bluetooth devices. A local user could use this flaw to crash the system (bnc#1186207).\n- CVE-2021-33098: Fixed a potential denial of service in Intel(R) Ethernet ixgbe driver due to improper input validation. (bsc#1192877)\n- CVE-2021-28715: Fixed issue with xen/netback to do not queue unlimited number of packages (XSA-392) (bsc#1193442).\n- CVE-2021-28714: Fixed issue with xen/netback to handle rx queue stall detection (XSA-392) (bsc#1193442).\n- CVE-2021-28713: Fixed issue with xen/console to harden hvc_xen against event channel storms (XSA-391) (bsc#1193440).\n- CVE-2021-28712: Fixed issue with xen/netfront to harden netfront against event channel storms (XSA-391) (bsc#1193440).\n- CVE-2021-28711: Fixed issue with xen/blkfront to harden blkfront against event channel storms (XSA-391) (bsc#1193440).\n- CVE-2021-0935: Fixed possible out of bounds write in ip6_xmit of ip6_output.c due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation (bnc#1192032).\n- CVE-2021-0920: Fixed a local privilege escalation due to an use after free bug in unix_gc (bsc#1193731).\n- CVE-2020-27820: Fixed a vulnerability where a use-after-frees in nouveau's postclose() handler could happen if removing device (bsc#1179599).\n- CVE-2019-15126: Fixed a vulnerability in Broadcom and Cypress Wi-Fi chips, used in RPi family of devices aka 'Kr00k'. (bsc#1167162)\n- CVE-2018-25020: Fixed an overflow in the BPF subsystem due to a mishandling of a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions. This affects kernel/bpf/core.c and net/core/filter.c (bnc#1193575).\n\nThe following non-security bugs were fixed:\n\n- Bluetooth: fix the erroneous flush_work() order (git-fixes).\n- Build: Add obsolete_rebuilds_subpackage (boo#1172073 bsc#1191731).\n- ICMPv6: Add ICMPv6 Parameter Problem, code 3 definition (bsc#1191241 bsc#1195166).\n- IPv6: reply ICMP error if the first fragment do not include all headers (bsc#1191241).\n- elfcore: fix building with clang (bsc#1169514).\n- hv_netvsc: Set needed_headroom according to VF (bsc#1193506).\n- ipv6/netfilter: Discard first fragment not including all headers (bsc#1191241 bsc#1195166).\n- kernel-*-subpackage: Add dependency on kernel scriptlets (bsc#1192740).\n- kernel-binary.spec.in Stop templating the scriptlets for subpackages (bsc#1190358).\n- kernel-binary.spec.in: add zstd to BuildRequires if used\n- kernel-binary.spec.in: make sure zstd is supported by kmod if used\n- kernel-binary.spec: Check for no kernel signing certificates. Also remove unused variable.\n- kernel-binary.spec: Define $image as rpm macro (bsc#1189841).\n- kernel-binary.spec: Do not fail silently when KMP is empty (bsc#1190358). Copy the code from kernel-module-subpackage that deals with empty KMPs.\n- kernel-binary.spec: Do not sign kernel when no key provided (bsc#1187167).\n- kernel-binary.spec: Fix kernel-default-base scriptlets after packaging merge.\n- kernel-binary.spec: Require dwarves for kernel-binary-devel when BTF is enabled (jsc#SLE-17288).\n- kernel-binary.spec: suse-kernel-rpm-scriptlets required for uninstall as well.\n- kernel-cert-subpackage: Fix certificate location in scriptlets (bsc#1189841).\n- kernel-source.spec: install-kernel-tools also required on 15.4\n- kernel-spec-macros: Since rpm 4.17 %verbose is unusable (bsc#1191229). The semantic changed in an incompatible way so invoking the macro now causes a build failure.\n- kprobes: Limit max data_size of the kretprobe instances (bsc#1193669).\n- livepatch: Avoid CPU hogging with cond_resched (bsc#1071995).\n- memstick: rtsx_usb_ms: fix UAF (bsc#1194516).\n- moxart: fix potential use-after-free on remove path (bsc#1194516).\n- net, xdp: Introduce xdp_init_buff utility routine (bsc#1193506).\n- net, xdp: Introduce xdp_prepare_buff utility routine (bsc#1193506).\n- net: Using proper atomic helper (bsc#1186222).\n- net: ipv6: Discard next-hop MTU less than minimum link MTU (bsc#1191241).\n- net: mana: Add RX fencing (bsc#1193506).\n- net: mana: Add XDP support (bsc#1193506).\n- net: mana: Allow setting the number of queues while the NIC is down (bsc#1193506).\n- net: mana: Fix spelling mistake 'calledd' -> 'called' (bsc#1193506).\n- net: mana: Fix the netdev_err()'s vPort argument in mana_init_port() (bsc#1193506).\n- net: mana: Improve the HWC error handling (bsc#1193506).\n- net: mana: Support hibernation and kexec (bsc#1193506).\n- net: mana: Use kcalloc() instead of kzalloc() (bsc#1193506).\n- objtool: Support Clang non-section symbols in ORC generation (bsc#1169514).\n- post.sh: detect /usr mountpoint too\n- recordmcount.pl: fix typo in s390 mcount regex (bsc#1192267).\n- recordmcount.pl: look for jgnop instruction as well as bcrl on s390 (bsc#1192267).\n- rpm/kernel-binary.spec.in: Use kmod-zstd provide. This makes it possible to use kmod with ZSTD support on non-Tumbleweed.\n- rpm/kernel-binary.spec.in: avoid conflicting suse-release suse-release had arbitrary values in staging, we can't use it for dependencies. The filesystem one has to be enough (boo#1184804).\n- rpm/kernel-binary.spec.in: do not strip vmlinux again (bsc#1193306).\n- rpm/kernel-binary.spec: Use only non-empty certificates.\n- rpm/kernel-obs-build.spec.in: make builds reproducible (bsc#1189305).\n- rpm/kernel-source.rpmlintrc: ignore new include/config files.\n- rpm/kernel-source.spec.in: do some more for vanilla_only.\n- rpm: Abolish image suffix (bsc#1189841).\n- rpm: Abolish scritplet templating (bsc#1189841). Outsource kernel-binary and KMP scriptlets to suse-module-tools.\n- rpm: Define $certs as rpm macro (bsc#1189841).\n- rpm: Fold kernel-devel and kernel-source scriptlets into spec files (bsc#1189841).\n- rpm: fix kmp install path\n- rpm: use _rpmmacrodir (boo#1191384)\n- tty: hvc: replace BUG_ON() with negative return value.\n- vfs: check fd has read access in kernel_read_file_from_fd() (bsc#1194888).\n- x86/xen: Mark cpu_bringup_and_idle() as dead_end_function (bsc#1169514).\n- xen/blkfront: do not take local copy of a request from the ring page (git-fixes).\n- xen/blkfront: do not trust the backend response data blindly (git-fixes).\n- xen/blkfront: read response from backend only once (git-fixes).\n- xen/netfront: disentangle tx_skb_freelist (git-fixes).\n- xen/netfront: do not read data from request on the ring page (git-fixes).\n- xen/netfront: do not trust the backend response data blindly (git-fixes).\n- xen/netfront: read response from backend only once (git-fixes).\n- xen: sync include/xen/interface/io/ring.h with Xen's newest version (git-fixes).\n- xfrm: fix MTU regression (bsc#1185377, bsc#1194048).","dates":{"published":"2022-02-10T16:40:39.000Z","modified":"2025-05-02T04:29:57.305Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"suse","product":"kernel-default&distro=SUSE Enterprise Storage 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