SB20240624135 - openEuler 20.03 LTS SP1 update for kernel
Published: June 24, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 20 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2021-46929)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the sctp_transport_lookup_process() and sctp_transport_get_idx() functions in net/sctp/socket.c, within the sctp_sock_dump() and sctp_sock_filter() functions in net/sctp/sctp_diag.c, within the sctp_endpoint_free() and sctp_endpoint_destroy() functions in net/sctp/endpointola.c. A local user can escalate privileges on the system.
2) Use-after-free (CVE-ID: CVE-2021-46936)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the inet_init() function in net/ipv4/af_inet.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
3) Use-after-free (CVE-ID: CVE-2021-46966)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cm_write() function in drivers/acpi/custom_method.c. A local user can trigger a use-after-free error and escalate privileges on the system.
4) Double Free (CVE-ID: CVE-2021-47082)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in drivers/net/tun.c. A local user can trigger a double free error and execute arbitrary code with elevated privileges.
5) Use-after-free (CVE-ID: CVE-2021-47123)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the io_link_timeout_fn() function in fs/io_uring.c. A local user can escalate privileges on the system.
6) Buffer overflow (CVE-ID: CVE-2021-47182)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the scsi_mode_sense() function in drivers/scsi/scsi_lib.c. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.
7) Improper locking (CVE-ID: CVE-2021-47185)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the flush_to_ldisc() function in drivers/tty/tty_buffer.c. A local user can perform a denial of service (DoS) attack.
8) Resource management error (CVE-ID: CVE-2021-47201)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the iavf_disable_vf() function in drivers/net/ethernet/intel/iavf/iavf_main.c. A local user can perform a denial of service (DoS) attack.
9) Buffer overflow (CVE-ID: CVE-2021-47203)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the lpfc_drain_txq() function in drivers/scsi/lpfc/lpfc_sli.c. A local user can perform a denial of service (DoS) attack.
10) NULL pointer dereference (CVE-ID: CVE-2021-47211)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the snd_usb_set_sample_rate_v2v3() function in sound/usb/clock.c. A local user can perform a denial of service (DoS) attack.
11) Memory leak (CVE-ID: CVE-2021-47216)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the asc_prt_adv_board_info() function in drivers/scsi/advansys.c. A local user can perform a denial of service (DoS) attack.
12) NULL pointer dereference (CVE-ID: CVE-2021-47217)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the set_hv_tscchange_cb() function in arch/x86/hyperv/hv_init.c. A local user can perform a denial of service (DoS) attack.
13) Use of uninitialized resource (CVE-ID: CVE-2023-52477)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to usage of uninitialized BOS descriptors in drivers/usb/core/hub.c. A local user can perform a denial of service (DoS) attack.
14) Race condition (CVE-ID: CVE-2023-52609)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the binder_update_page_range() function in drivers/android/binder_alloc.c. A local user can escalate privileges on the system.
15) Buffer overflow (CVE-ID: CVE-2023-52612)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the scomp_acomp_comp_decomp() function in crypto/scompress.c. A local user can escalate privileges on the system.
16) Use of uninitialized resource (CVE-ID: CVE-2024-26635)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the cpu_to_be16() function in net/llc/llc_core.c. A local user can perform a denial of service (DoS) attack.
17) Input validation error (CVE-ID: CVE-2024-26636)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the llc_ui_sendmsg() function in net/llc/af_llc.c. A local user can perform a denial of service (DoS) attack.
18) Resource management error (CVE-ID: CVE-2024-26640)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the skb_advance_to_frag() function in net/ipv4/tcp.c. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.
19) Access of Uninitialized Pointer (CVE-ID: CVE-2024-26641)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to access to uninitialized data within the __ip6_tnl_rcv() function in net/ipv6/ip6_tunnel.c. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.
20) Incorrect calculation (CVE-ID: CVE-2024-26752)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the l2tp_ip6_sendmsg() function in net/l2tp/l2tp_ip6.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.