CVE-2021-33135

The Linux Kernel, the operating system core itself.

Security Fix(es):

There are use-after-free vulnerabilities in net/ax25/af_ax25.c of linux that allow attacker to crash linux kernel by simulating ax25 device from user space.(CVE-2022-1204)

The Linux kernel before 5.17.2 mishandles seccomp permissions. The PTRACE_SEIZE code path allows attackers to bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag.(CVE-2022-30594)

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2022-33981. Reason: This candidate is a reservation duplicate of CVE-2022-33981. Notes: All CVE users should reference CVE-2022-33981 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.(CVE-2022-1836)

With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.(CVE-2022-1789)

Uncontrolled resource consumption in the Linux kernel drivers for Intel(R) SGX may allow an authenticated user to potentially enable denial of service via local access.(CVE-2021-33135)

perf: Fix sys_perf_event_open() race against self(CVE-2022-1729)

Uncontrolled resource consumption in the Linux kernel drivers for Intel(R) SGX may allow an authenticated user to potentially enable denial of service via local access.

The SUSE Linux Enterprise 15 SP4 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2022-39190: Fixed an issue that was discovered in net/netfilter/nf_tables_api.c and could cause a denial of service upon binding to an already bound chain (bnc#1203117).
• 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-2022-36946: Fixed a denial of service (panic) inside nfqnl_mangle in net/netfilter/nfnetlink_queue.c (bnc#1201940).
• CVE-2022-36879: Fixed an issue in xfrm_expand_policies in net/xfrm/xfrm_policy.c where a refcount could be dropped twice (bnc#1201948).
• CVE-2022-3078: Fixed a lack of check after calling vzalloc() and lack of free after allocation in drivers/media/test-drivers/vidtv/vidtv_s302m.c (bnc#1203041).
• CVE-2022-3028: Fixed race condition that was found in the IP framework for transforming packets (XFRM subsystem) (bnc#1202898).
• CVE-2022-2977: Fixed reference counting for struct tpm_chip (bsc#1202672).
• CVE-2022-2959: Fixed a race condition that was found inside the watch queue due to a missing lock in pipe_resize_ring() (bnc#1202681).
• CVE-2022-2938: Fixed a flaw that was found inside the Pressure Stall Information implementation that could have been used to allow an attacker to crash the system or have other memory-corruption side effects (bnc#1202623).
• CVE-2022-2905: Fixed tnum_range usage on array range checking for poke descriptors (bsc#1202564, bsc#1202860).
• CVE-2022-2873: Fixed an out-of-bounds memory access flaw that was found in iSMT SMBus host controller driver (bnc#1202558).
• CVE-2022-28693: Fixed x86/speculation behavior by disabling RRSBA (bsc#1201455).
• CVE-2022-28356: Fixed a refcount leak bug that was found in net/llc/af_llc.c (bnc#1197391).
• 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-2022-2639: Fixed an integer coercion error that was found in the openvswitch kernel module (bnc#1202154).
• CVE-2022-26373: Fixed non-transparent sharing of return predictor targets between contexts in some Intel Processors that may have allowed information disclosure via local access (bnc#1201726).
• CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096).
• CVE-2022-2585: Fixed missing cleanup of CPU timers before freeing them during exec (bsc#1202094).
• CVE-2022-20369: Fixed out of bounds write in v4l2_m2m_querybuf of v4l2-mem2mem.c (bnc#1202347).
• CVE-2022-20368: Fixed slab-out-of-bounds access in packet_recvmsg() (bsc#1202346).
• CVE-2022-1184: Fixed an use-after-free flaw in fs/ext4/namei.c:dx_insert_block() in the filesystem sub-component (bnc#1198577).
• CVE-2021-4037: Fixed function logic vulnerability that allowed local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set (bnc#1198702).
• CVE-2021-33135: Fixed uncontrolled resource consumption inside Intel(R) SGX that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1199515).
• CVE-2020-36516: Fixed an issue in the mixed IPID assignment method where an attacker was able to inject data into or terminate a victim's TCP session (bnc#1196616).
• CVE-2016-3695: Fixed an issue inside the einj_error_inject function in drivers/acpi/apei/einj.c that allowed users to simulate hardware errors and consequently cause a denial of service (bnc#1023051).

The following non-security bugs were fixed:

• ACPI: APEI: Better fix to avoid spamming the console with old error logs (git-fixes).
• ACPI: APEI: explicit init of HEST and GHES in apci_init() (git-fixes).
• ACPI: CPPC: Do not prevent CPPC from working in the future (git-fixes).
• ACPI: EC: Drop the EC_FLAGS_IGNORE_DSDT_GPE quirk (git-fixes).
• ACPI: EC: Remove duplicate…

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2022-39190: Fixed an issue that was discovered in net/netfilter/nf_tables_api.c and could cause a denial of service upon binding to an already bound chain (bnc#1203117).
• 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-2022-3078: Fixed a lack of check after calling vzalloc() and lack of free after allocation in drivers/media/test-drivers/vidtv/vidtv_s302m.c (bnc#1203041).
• CVE-2022-28356: Fixed a refcount leak bug that was found in net/llc/af_llc.c (bnc#1197391).
• CVE-2022-3028: Fixed race condition that was found in the IP framework for transforming packets (XFRM subsystem) (bnc#1202898).
• CVE-2022-2905: Fixed tnum_range usage on array range checking for poke descriptors (bsc#1202564, bsc#1202860).
• CVE-2022-2977: Fixed reference counting for struct tpm_chip (bsc#1202672).
• CVE-2022-2938: Fixed a flaw that was found inside the Pressure Stall Information implementation that could have been used to allow an attacker to crash the system or have other memory-corruption side effects (bnc#1202623).
• CVE-2022-28693: Fixed x86/speculation behavior by disabling RRSBA (bsc#1201455).
• CVE-2021-33135: Fixed uncontrolled resource consumption inside Intel(R) SGX that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1199515).
• CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096).
• CVE-2022-2959: Fixed a race condition that was found inside the watch queue due to a missing lock in pipe_resize_ring() (bnc#1202681 bnc#1202685).
• CVE-2022-36946: Fixed a denial of service (panic) inside nfqnl_mangle in net/netfilter/nfnetlink_queue.c (bnc#1201940 bnc#1201941 bnc#1202312 bnc#1202874).
• CVE-2021-4037: Fixed function logic vulnerability that allowed local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set (bnc#1198702).
• CVE-2022-2873: Fixed an out-of-bounds memory access flaw that was found in iSMT SMBus host controller driver (bnc#1202558).
• CVE-2022-36879: Fixed an issue in xfrm_expand_policies in net/xfrm/xfrm_policy.c where a refcount could be dropped twice (bnc#1201948).
• CVE-2022-20368: Fixed slab-out-of-bounds access in packet_recvmsg() (bsc#1202346).
• CVE-2022-20369: Fixed out of bounds write in v4l2_m2m_querybuf of v4l2-mem2mem.c (bnc#1202347).
• CVE-2016-3695: Fixed an issue inside the einj_error_inject function in drivers/acpi/apei/einj.c that allowed users to simulate hardware errors and consequently cause a denial of service (bnc#1023051).
• CVE-2022-2639: Fixed an integer coercion error that was found in the openvswitch kernel module (bnc#1202154).
• CVE-2020-36516: Fixed an issue in the mixed IPID assignment method where an attacker was able to inject data into or terminate a victim's TCP session (bnc#1196616).
• CVE-2022-32250: Fixed a privilege escalation issue in net/netfilter/nf_tables_api.c that allowed a local user to became root (bnc#1200015).

The following non-security bugs were fixed:

• 9p: Fix refcounting during full path walks for fid lookups (git-fixes).
• 9p: fix fid refcount leak in v9fs_vfs_atomic_open_dotl (git-fixes).
• 9p: fix fid refcount leak in v9fs_vfs_get_link (git-fixes).
• ACPI: APEI: Better fix to avoid spamming the console with old error logs (git-fixes).
• ACPI: APEI: explicit init of HEST and GHES in apci_init() (git-fixes).
• ACPI: CPPC: Do not prevent CPPC from working in the future (git-fixes).
• ACPI: EC: Drop the EC_FLAGS_IGNORE_DSDT_GPE quirk (git-fixes).
• ACPI: EC: Remove duplicate ThinkPad X1 Carbon 6th entry from DMI…

The SUSE Linux Enterprise 15 SP4 RT 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-2022-42328: Guests could trigger denial of service via the netback driver (bsc#1206114).
• CVE-2022-42329: Guests could trigger denial of service via the netback driver (bsc#1206113).
• CVE-2022-3643: Guests could trigger NIC interface reset/abort/crash via netback driver (bsc#1206113).
• CVE-2022-3633: Fixed a memory leak in j1939_session_destroy of the file net/can/j1939/transport.c (bsc#1204650).
• CVE-2022-3114: Fixed a denial of service in imx_register_uart_clocks() in drivers/clk/imx/clk.c (bsc#1206391).
• CVE-2022-3619: Fixed a memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c (bsc#1204569).
• CVE-2022-3635: Fixed a use-after-free in the tst_timer() of the file drivers/atm/idt77252.c (bsc#1204631).
• 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 packets in l2cap_config_req in net/bluetooth/l2cap_core.c (bsc#1205796).
• CVE-2022-3567: Fixed a to race condition in inet6_stream_ops()/inet6_dgram_ops() (bsc#1204414).
• CVE-2022-41858: Fixed a denial of service in sl_tx_timeout() in drivers/net/slip (bsc#1205671).
• CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128).
• CVE-2022-4095: Fixed a use-after-free in rtl8712 driver (bsc#1205514).
• CVE-2022-3903: Fixed a denial of service with the Infrared Transceiver USB driver (bsc#1205220).
• CVE-2022-42896: Fixed a use-after-free vulnerability in the net/bluetooth/l2cap_core.c's l2cap_connect() and l2cap_le_connect_req() which may have allowed code execution and leaking kernel memory (respectively) remotely via Bluetooth (bsc#1205709).
• CVE-2022-42895: Fixed an information leak in the net/bluetooth/l2cap_core.c's l2cap_parse_conf_req() which can be used to leak kernel pointers remotely (bsc#1205705).
• 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-2022-3628: Fixed potential buffer overflow in brcmf_fweh_event_worker() in wifi/brcmfmac (bsc#1204868).
• CVE-2022-2964: Fixed memory corruption issues in ax88179_178a devices (bsc#1202686).
• CVE-2021-4037: Fixed function logic vulnerability that allowed local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set (bsc#1198702).
• CVE-2022-43750: Fixed vulnerability in usbmon that allowed a user-space client to corrupt the monitor's internal memory (bsc#1204653).
• CVE-2022-3542: Fixed memory leak in bnx2x_tpa_stop() in drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c (bsc#1204402).
• CVE-2022-3629: Fixed memory leak in vsock_connect() in net/vmw_vsock/af_vsock.c (bsc#1204635).
• CVE-2022-3646: Fixed memory leak in nilfs_attach_log_writer() in fs/nilfs2/segment.c (bsc#1204646).
• CVE-2022-3649: Fixed use-after-free in nilfs_new_inode() in fs/nilfs2/inode.c (bsc#1204647).
• CVE-2022-3621: Fixed null pointer dereference in nilfs_bmap_lookup_at_level() in fs/nilfs2/inode.c (bsc#1204574).
• CVE-2022-3594: Fixed excessive data logging in intr_callback() in drivers/net/usb/r8152.c (bsc#1204479).
• CVE-2022-3586: Fixed use-after-free in socket buffer (SKB) that could allow a local unprivileged user to cause a denial of service (bsc#1204439).
• CVE-2022-3565: Fixed use-after-free in del_timer() in drivers/isdn/mISDN/l1oip_core.c (bsc#1204431).
• CVE-2022-3524: Fixed memory leak in ipv6_renew_options() in the IPv6 handler (bsc#1204354).
• CVE-2022-40768: Fixed information leak in the scsi driver which allowed local users to obtain sensitive information from kernel memory (bsc#1203514).
• CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma…