SB2023011087 - Anolis OS update for kernel

Description

This security bulletin contains information about 54 secuirty vulnerabilities.

1) Improper access control (CVE-ID: CVE-2021-4037)

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the fs/inode.c:inode_init_owner() function logic of the Linux kernel. A local user can create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set to bypass implemented security restrictions and gain unauthorized access to the application.

2) Security restrictions bypass (CVE-ID: CVE-2018-13405)

The vulnerability allows a local attacker to create arbitrary files on the target system.

The vulnerability exists due to the inode_init_owner function, as defined in the fs/inode.c source code file, allows the creation of arbitrary files in set-group identification (SGID) directories. A local attacker can create arbitrary files with unintended group ownership.

3) Incomplete cleanup (CVE-ID: CVE-2022-0171)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incomplete cleanup in KVM SEV API. A local non-root (host) user-level application can crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).

4) Use-after-free (CVE-ID: CVE-2022-1679)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the ath9k_htc_wait_for_target() function in the Linux kernel’s Atheros wireless adapter driver. A local user can execute arbitrary code with elevated privileges.

5) Resource management error (CVE-ID: CVE-2022-2585)

The vulnerability allows a local user to perform a denial of service (DoS) attack or escalate privileges on the system.

The vulnerability exists due to improper management of internal resources in POSIX CPU timers when handling death of a process. A local user can crash the kernel or execute arbitrary code.

6) Use-after-free (CVE-ID: CVE-2022-2586)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the the netfilter subsystem implementation in Linux kernel when preventing one nft object from referencing an nft set in another nft table. A local user can trigger a use-after-free error and execute arbitrary code on the system with elevated privileges.

7) Double Free (CVE-ID: CVE-2022-2588)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a double free error within the network packet scheduler implementation in the route4_change() function in Linux kernel when removing all references to a route filter before freeing it. A local user can run a specially crafted program to crash the kernel or execute arbitrary code.

8) Use-after-free (CVE-ID: CVE-2022-2602)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error caused by an io_uring request, which is being processed on a registered file. The Unix GC runs and frees the io_uring file descriptor and all the registered file descriptors in a specific order that may allow a local user to win a race and execute arbitrary code with elevated privileges.

9) Security restrictions bypass (CVE-ID: CVE-2022-26373)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to non-transparent sharing of return predictor targets between contexts in Intel CPU processors. A local user can bypass the expected architecture isolation between contexts and gain access to sensitive information on the system.

10) Input validation error (CVE-ID: CVE-2022-2663)

The vulnerability allows a remote attacker to bypass firewall rules.

The vulnerability exists due to insufficient validation of user-supplied input in nf_conntrack_irc in Linux kernel. A remote attacker can send unencrypted IRC with nf_conntrack_irc configured and bypass configured firewall rules.

11) Out-of-bounds read (CVE-ID: CVE-2022-2905)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the Linux kernel BPF subsystem. A local user can call the bpf_tail_call() function with a key larger than the max_entries of the map, trigger an out-of-bounds read and read parts of kernel memory.

12) Use-after-free (CVE-ID: CVE-2022-2978)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the Linux kernel NILFS file system. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

13) Race condition (CVE-ID: CVE-2022-3028)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrm_probe_algs occurred simultaneously. A local user can exploit the race and escalate privileges on the system.

14) Division by zero (CVE-ID: CVE-2022-3061)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to missing checks of the "pixclock" value in the Linux kernel i740 driver. A local user can pass arbitrary values to the driver through ioctl() interface, trigger a divide by zero error and perform a denial of service (DoS) attack.

15) Resource management error (CVE-ID: CVE-2022-3169)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources in Linux kernel when handling a consecutive request of the NVME_IOCTL_RESET and the NVME_IOCTL_SUBSYS_RESET through the device file of the driver. A local user can force the a PCIe link to disconnect.

16) Use-after-free (CVE-ID: CVE-2022-3176)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in io_uring implementation in the Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

17) Out-of-bounds read (CVE-ID: CVE-2022-3435)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the fib_nh_match() function in net/ipv4/fib_semantics.c IPv4 handler. A remote attacker can send specially crafted data to the system, trigger an out-of-bounds read error and read contents of memory on the system.

18) Race condition (CVE-ID: CVE-2022-3521)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the kcm_tx_work() function in net/kcm/kcmsock.c in Linux kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

19) Memory leak (CVE-ID: CVE-2022-3524)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the ipv6_renew_options() function when retrieving a new IPv6 address from a malicious DHCP server. A remote attacker can force the system to leak memory and perform denial of service attack.

20) Use-after-free (CVE-ID: CVE-2022-3534)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the btf_dump_name_dups() function in tools/lib/bpf/btf_dump.c. A local user can execute arbitrary code with elevated privileges.

21) Memory leak (CVE-ID: CVE-2022-3535)

The vulnerability allows a local user to perform DoS attack.

The vulnerability exists due memory leak within the mvpp2_dbgfs_port_init() function in drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c, when a device is probed. A local user can force the system to leak memory and perform denial of service attack.

22) Memory leak (CVE-ID: CVE-2022-3542)

The vulnerability allows a local user to perform DoS attack on the target system.

The vulnerability exists due memory leak within the bnx2x_tpa_stop() function in drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c. A local user can force the system to leak memory and perform denial of service attack.

23) Buffer overflow (CVE-ID: CVE-2022-3545)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the area_cache_get() function in drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

24) Use-after-free (CVE-ID: CVE-2022-3564)

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the l2cap_reassemble_sdu() function in net/bluetooth/l2cap_core.c. An attacker with physical access to device can trigger a use-after-free error and execute arbitrary code on the system.

25) Buffer overflow (CVE-ID: CVE-2022-3565)

The vulnerability allows an attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the del_timer() function in drivers/isdn/mISDN/l1oip_core.c in the Bluetooth component. An attacker with physical proximity to device can trigger memory corruption and execute arbitrary code on the target system.

26) Race condition (CVE-ID: CVE-2022-3566)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the tcp_getsockopt() and tcp_setsockopt() functions in net/ipv4/tcp.c, do_ipv6_setsockopt() function in net/ipv6/ipv6_sockglue.c, and tcp_v6_connect() function in net/ipv6/tcp_ipv6.c in Linux kernel. A local user can exploit the race and escalate privileges on the system.

27) Race condition (CVE-ID: CVE-2022-3567)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the inet6_stream_ops() and inet6_dgram_ops() functions. A local user can exploit the race and escalate privileges on the system.

28) Use-after-free (CVE-ID: CVE-2022-3586)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. A local user can perform a denial of service (DoS) attack.

29) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2022-3594)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to the intr_callback() function in drivers/net/usb/r8152.c can be forced to include excessive data info the log files. A local user can read the log files and gain access to sensitive data.

Note, the vulnerability can be triggered remotely.

30) NULL pointer dereference (CVE-ID: CVE-2022-3621)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the nilfs2 filesystem driver within the nilfs_bmap_lookup_at_level() function in fs/nilfs2/inode.c in Linux kernel. A remote attacker can trick the victim into mounting a specially crafted image and perform a denial of service (DoS) attack.

31) Race condition (CVE-ID: CVE-2022-3623)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the follow_page_pte() function in mm/gup.c. A local user can exploit the race and escalate privileges on the system.

32) Use-after-free (CVE-ID: CVE-2022-3625)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the devlink_param_set() and devlink_param_get() function in net/core/devlink.c in IPsec component of Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

33) Buffer overflow (CVE-ID: CVE-2022-3628)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the brcmf_fweh_event_worker() function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c. A local user can use a specially crafted device to trigger memory corruption and escalate privileges on the system.

34) Memory leak (CVE-ID: CVE-2022-3629)

The vulnerability allows a local user to perform DoS attack.

The vulnerability exists due memory leak within the vsock_connect() function in net/vmw_vsock/af_vsock.c in Linux kernel IPSec implementation. A local user can force the system to leak memory and perform denial of service attack.

35) Memory leak (CVE-ID: CVE-2022-3633)

The vulnerability allows a local user to perform a DoS attack.

The vulnerability exists due memory leak within the j1939_session_destroy() function in net/can/j1939/transport.c. A local user can force the system to leak memory and perform denial of service attack.

36) Use-after-free (CVE-ID: CVE-2022-3635)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the drivers/atm/idt77252.c in IPsec component of Linux kernel. A local user can trigger a use-after-free error and crash the kernel.

37) NULL pointer dereference (CVE-ID: CVE-2022-3646)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the nilfs2 filesystem driver within the nilfs_attach_log_writer() function in fs/nilfs2/segment.c in Linux kernel. A remote attacker can trick the victim into mounting a specially crafted image and perform a denial of service (DoS) attack.

38) Use-after-free (CVE-ID: CVE-2022-3649)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the nilfs2 filesystem driver in nilfs_new_inode() function in fs/nilfs2/inode.c in Linux kernel. A remote attacker can trick the victim into mounting a specially crafted image, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

39) Input validation error (CVE-ID: CVE-2022-36946)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the nfqnl_mangle() function in net/netfilter/nfnetlink_queue.c in the Linux kernel when processing IPv6 packets. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.

40) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-39189)

The vulnerability allows a guest user to escalate privileges on the system.

The vulnerability exists due to incorrect handling of TLB flush operations in certain KVM_VCPU_PREEMPTED situations in the x86 KVM subsystem in the Linux kernel. An attacker with unprivileged access to the guest OS can escalate privileges on the guest.

41) Out-of-bounds read (CVE-ID: CVE-2022-39190)

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to an out-of-bounds read error within the net/netfilter/nf_tables_api.c in the Linux kernel. A local user can bind to an already bound chain and crash the kernel.

42) Integer overflow (CVE-ID: CVE-2022-39842)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow within the pxa3xx_gcu_write() function in drivers/video/fbdev/pxa3xx-gcu.c in Linux kernel. A local user can trigger an integer overflow and execute arbitrary code with escalated privileges.

43) Use-after-free (CVE-ID: CVE-2022-40307)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the drivers/firmware/efi/capsule-loader.c in Linux kernel. A local user can trigger a use-after-free error and perform a denial of service (DoS) attack.

44) Improper access control (CVE-ID: CVE-2022-40768)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions in the drivers/scsi/stex.c in the Linux kernel. A local user can obtain sensitive information from kernel memory because stex_queuecommand_lck lacks a memset for the PASSTHRU_CMD case.

45) Use-after-free (CVE-ID: CVE-2022-41222)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error caused by a stale TLB in mm/mremap.c, because an rmap lock is not held during a PUD move. A local user can gain access to sensitive information.

46) Buffer overflow (CVE-ID: CVE-2022-41674)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing WLAN frames within the ieee80211_bss_info_update() function in net/mac80211/scan.c in Linux kernel. A remote attacker on the local network can send specially crafted WLAN frames to the affected system, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

47) Use-after-free (CVE-ID: CVE-2022-42719)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the mac80211 stack in Linux kernel when parsing a multi-BSSID element. A remote attacker on the local network can send specially crafted WLAN frames to the affected system, trigger a use-after-free error and execute arbitrary code.

48) Use-after-free (CVE-ID: CVE-2022-42720)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the mac80211 stack in Linux kernel when parsing a multi-BSS element. A remote attacker on the local network can send specially crafted WLAN frames to the affected system, trigger a use-after-free error and execute arbitrary code.

49) Buffer overflow (CVE-ID: CVE-2022-42721)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a list management error in the mac80211 stack in the Linux kernel when handling BSS. A remote attacker on the local network can send specially crafted WLAN frames to the system, trigger linked list corruption and execute arbitrary code.

50) NULL pointer dereference (CVE-ID: CVE-2022-42722)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the mac80211 stack in Linux kernel. A remote attacker on the local network can send specially crafted WLAN frames to the affected system and perform a denial of service (DoS) attack against the beacon protection of P2P devices.

51) Access of Uninitialized Pointer (CVE-ID: CVE-2022-42895)

The vulnerability allows an attacker to gain access to sensitive information.

The vulnerability exists due to unauthorized access of uninitialized pointer within the l2cap_parse_conf_req() function in net/bluetooth/l2cap_core.c. An attacker with physical proximity to the affected device can gain access to sensitive information.

52) Use-after-free (CVE-ID: CVE-2022-42896)

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the l2cap_connect() and l2cap_le_connect_req() function in net/bluetooth/l2cap_core.c. An attacker with physical proximity to the affected device can trigger a use-after-free error and execute arbitrary code on the system.

53) Out-of-bounds write (CVE-ID: CVE-2022-43750)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the drivers/usb/mon/mon_bin.c in usbmon in the Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

54) Stack-based buffer overflow (CVE-ID: CVE-2022-4378)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the __do_proc_dointvec() function. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://anas.openanolis.cn/errata/detail/ANSA-2023:0006