The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2023-1872:Fixed a use after free vulnerability in the io_uring subsystem, which could lead to local privilege escalation (bsc#1210414).
- CVE-2022-2196: Fixed a regression related to KVM that allowed for speculative execution attacks (bsc#1206992).
- CVE-2023-1670: Fixed a use after free in the Xircom 16-bit PCMCIA Ethernet driver. A local user could use this flaw to crash the system or potentially escalate their privileges on the system (bsc#1209871).
- CVE-2023-2162: Fixed an use-after-free flaw in i
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
- CVE-2022-36280: Fixed out-of-bounds memory access vulnerability found in vmwgfx driver (bsc#1203332).
- CVE-2022-38096: Fixed NULL-ptr deref in vmw_cmd_dx_define_query() (bsc#1203331).
- CVE-2023-0045: Fixed missing Flush IBP in ib_prctl_set (bsc#1207773).
- CVE-2023-0590: Fixed race condition in qdisc_graft() (bsc#1207795).
- CVE-2023-0597: Fixed lack of randomization of per-cpu entry area in x86/mm (bsc#1207845).
- CVE-2023-1118: Fixed a use-after-free bugs caused by ene_tx_irqsim() in media/rc (bsc#1208837).
- CVE-2023-22995: Fixed lacks of c
The SUSE Linux Enterprise 15 SP2 LTSS kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2023-23455: Fixed a denial of service inside atm_tc_enqueue in net/sched/sch_atm.c because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results) (bsc#1207125).
- CVE-2023-23454: Fixed denial or service in cbq_classify in net/sched/sch_cbq.c (bnc#1207036).
- CVE-2023-0266: Fixed a use-after-free vulnerability inside the ALSA PCM package. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 was missing locks that could have been used in a use
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207).
- CVE-2022-3635: Fixed a use-after-free in the tst_timer() of the file drivers/atm/idt77252.c (bsc#1204631).
- CVE-2022-3424: Fixed use-after-free in gru_set_context_option(), gru_fault() and gru_handle_user_call_os() that could lead to kernel panic (bsc#1204166).
- CVE-2022-41850: Fixed a race condition in roccat_report_event() in drivers/hid/hid-roccat.c (bsc#1203960).
- CVE-2022-45934: Fixed a integer wraparound via L2CAP_CONF_REQ
The SUSE Linux Enterprise 15 SP2 kernel was updated.
The following security bugs were fixed:
- CVE-2020-16119: Fixed a use-after-free vulnerability exploitable by a local attacker due to reuse of a DCCP socket. (bnc#1177471)
- CVE-2022-20008: Fixed a bug which allowed to read kernel heap memory due to uninitialized data. This could lead to local information disclosure if reading from an SD card that triggers errors, with no additional execution privileges needed. (bnc#1199564)
- CVE-2022-2503: Fixed a bug in dm-verity, device-mapper table reloads allowed users with root privileges to switch out the target with an equivalent dm-linear targe
The SUSE Linux Enterprise 15 SP2 LTSS kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2022-39188: Fixed race condition in include/asm-generic/tlb.h where a device driver can free a page while it still has stale TLB entries (bnc#1203107).
- CVE-2022-2663: Fixed an issue that was found in nf_conntrack_irc where the message handling could be confused and incorrectly matches the message (bnc#1202097).
- CVE-2022-3028: Fixed race condition that was found in the IP framework for transforming packets (XFRM subsystem) (bnc#1202898).
- CVE-2020-27784: Fixed a vulnerability that was found i
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free (bnc#1201429).
- CVE-2020-36558: Fixed a race condition involving VT_RESIZEX which could lead to a NULL pointer dereference and general protection fault (bnc#1200910).
- CVE-2021-4157: Fixed an out of memory bounds write flaw in the NFS subsystem, related to the replication of files with NFS. A user could potentially crash the system or escalate privileges on the system (bsc#119
The SUSE Linux Enterprise 15 SP2 kernel was updated.
The following security bugs were fixed:
- CVE-2022-0168: Fixed a NULL pointer dereference in smb2_ioctl_query_info. (bsc#1197472)
- CVE-2022-1966: Fixed an use-after-free bug in the netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
- CVE-2022-28893: Ensuring that sockets are in the intended state inside the SUNRPC subsystem (bnc#1198330).
- CVE-2022-1158: Fixed KVM x86/mmu compare-and-exchange of gPTE via the user address (bsc#1197660).
- CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to
The SUSE Linux Enterprise 15 SP2 kernel was updated.
The following security bugs were fixed:
- CVE-2021-45868: Fixed a wrong validation check in fs/quota/quota_tree.c which could lead to an use-after-free if there is a corrupted quota file. (bnc#1197366)
- CVE-2022-27666: Fixed a buffer overflow vulnerability in IPsec ESP transformation code. This flaw allowed a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation. (bnc#1197462)
- CVE-2022-0850: Fixed a kernel information leak vulnerability in iov_iter.c. (bsc#1196761)
- CVE-2022-1055: Fixed a use-after-free in tc_new_tfilt
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
Transient execution side-channel attacks attacking the Branch History Buffer (BHB),
named 'Branch Target Injection' and 'Intra-Mode Branch History Injection' are now mitigated.
The following security bugs were fixed:
- CVE-2022-0001: Fixed Branch History Injection vulnerability (bsc#1191580).
- CVE-2022-0002: Fixed Intra-Mode Branch Target Injection vulnerability (bsc#1191580).
- CVE-2022-0847: Fixed a vulnerability were a local attackers could overwrite data in arbitrary (read-only) files (bsc#1196584).
- CVE-2022-0617: Fixed a null pointer dere
The SUSE Linux Enterprise 15 SP2 LTSS kernel was updated receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate domain record count on input (bsc#1195254).
- CVE-2021-45095: Fixed refcount leak in pep_sock_accept in net/phonet/pep.c (bnc#1193867).
- CVE-2022-22942: Fixed stale file descriptors on failed usercopy (bsc#1195065).
- CVE-2021-22600: Fixed double free bug in packet_set_ring() in net/packet/af_packet.c that could have been exploited by a local user through crafted syscalls to escalate privileges or deny service (bnc#1195184).
- C
The SUSE Linux Enterprise 15 SP2 LTSS kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2022-0185: Incorrect param length parsing in legacy_parse_param which could have led to a local privilege escalation (bsc#1194517).
- CVE-2022-0322: Fixed a denial of service in SCTP sctp_addto_chunk (bsc#1194985).
- CVE-2021-44733: Fixed a use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel that occured because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object (bnc#1193767).
- CVE-2021-4197: Fixed a cgroup issue where
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- Unprivileged BPF has been disabled by default to reduce attack surface as too many security issues have happened in the past (jsc#SLE-22573)
You can reenable via systemctl setting /proc/sys/kernel/unprivileged_bpf_disabled to 0. (kernel.unprivileged_bpf_disabled = 0)
- CVE-2021-0941: In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2021-3772: Fixed sctp vtag check in sctp_sf_ootb (bsc#1190351).
- CVE-2021-3655: Fixed a missing size validations on inbound SCTP packets, which may have allowed the kernel to read uninitialized memory (bsc#1188563).
- CVE-2021-43056: Fixed possible KVM host crash via malicious KVM guest on Power8 (bnc#1192107).
- CVE-2021-3896: Fixed a array-index-out-bounds in detach_capi_ctr in drivers/isdn/capi/kcapi.c (bsc#1191958).
- CVE-2021-3760: Fixed a use-after-free vulnerability with the ndev->rf_conn_info
The SUSE Linux Enterprise 15 SP2 kernel was updated.
The following security bugs were fixed:
- CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure. (bnc#1191193)
- CVE-2021-3752: Fixed a use after free vulnerability in the Linux kernel's bluetooth module. (bsc#1190023)
- CVE-2021-40490: Fixed a race condition discovered in the ext4 subsystem that could leat to local priviledge escalation. (bnc#1190159)
- CVE-2021-3744: Fixed a bug which could allo
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2021-3759: Unaccounted ipc objects in Linux kernel could have lead to breaking memcg limits and DoS attacks (bsc#1190115).
- CVE-2021-38160: Data corruption or loss could be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190117)
- CVE-2021-3640: Fixed a Use-After-Free vulnerability in function sco_sock_sendmsg() in the bluetooth stack (bsc#1188172).
- CVE-2021-3753: Fixed race out-of-bounds in virtual terminal handling (
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2021-3659: Fixed a NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c (bsc#1188876).
- CVE-2021-21781: Fixed a information disclosure vulnerability in the ARM SIGPAGE (bsc#1188445).
- CVE-2021-22543: Fixed improper handling of VM_IO|VM_PFNMAP vmas in KVM, which could bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allowed users with the ability to start and control a VM to read/write random pages of memory and can result in local
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2021-22555: A heap out-of-bounds write was discovered in net/netfilter/x_tables.c (bnc#1188116).
- CVE-2021-33909: Extremely large seq buffer allocations in seq_file could lead to buffer underruns and code execution (bsc#1188062).
- CVE-2021-3609: A use-after-free in can/bcm could have led to privilege escalation (bsc#1187215).
- CVE-2021-3612: An out-of-bounds memory write flaw was found in the joystick devices subsystem in the way the user calls ioctl JSIOCSBTNMAP. This flaw allowed a local user to
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2021-3573: Fixed an UAF vulnerability in function that can allow attackers to corrupt kernel heaps and adopt further exploitations. (bsc#1186666)
- CVE-2021-0605: Fixed an out-of-bounds read which could lead to local information disclosure in the kernel with System execution privileges needed. (bsc#1187601)
- CVE-2021-0512: Fixed a possible out-of-bounds write which could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1187595)
- CVE-2021-33624: Fixed a bug wh
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2021-33200: Enforcing incorrect limits for pointer arithmetic operations by the BPF verifier could be abused to perform out-of-bounds reads and writes in kernel memory (bsc#1186484).
- CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values. (bsc#1186111)
- CVE-2020-26139: Fixed a denial-of-service when an Access Point (AP) forwards EAPOL frames to other clients even though the sender has not yet successfully authenticated to the AP. (bnc#11860