SB2024073042 - Red Hat Enterprise Linux 8 update for kernel

Description

This security bulletin contains information about 12 vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2024-26733)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to memory corruption within the arp_req_get() function in net/ipv4/arp.c. A local user can escalate privileges on the system.

2) Use-after-free (CVE-ID: CVE-2024-26852)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to a use-after-free error within the ip6_route_multipath_add() and list_for_each_entry_safe() functions in net/ipv6/route.c. A local user can escalate privileges on the system.

3) Double free (CVE-ID: CVE-2023-52667)

CWE-ID: CWE-415 - Double Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to a double free error within the fs_any_create_groups() function in drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c. A local user can perform a denial of service (DoS) attack.

4) Improper Initialization (CVE-ID: CVE-2024-35960)

CWE-ID: CWE-665 - Improper Initialization

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to improper initialization within the add_rule_fg() function in drivers/net/ethernet/mellanox/mlx5/core/fs_core.c. A local user can perform a denial of service (DoS) attack.

5) Improper error handling (CVE-ID: CVE-2023-52784)

CWE-ID: CWE-388 - Error Handling

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to improper error handling within the bond_setup_by_slave() function in drivers/net/bonding/bond_main.c. A local user can perform a denial of service (DoS) attack.

6) Buffer overflow (CVE-ID: CVE-2021-47548)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to memory corruption within the hns_dsaf_ge_srst_by_port() function in drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c. A local user can escalate privileges on the system.

7) Use of uninitialized resource (CVE-ID: CVE-2024-36020)

CWE-ID: CWE-908 - Use of Uninitialized Resource

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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 i40e_reset_all_vfs() function in drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c. A local user can perform a denial of service (DoS) attack.

8) Off-by-one (CVE-ID: CVE-2024-36025)

CWE-ID: CWE-193 - Off-by-one Error

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to an off-by-one error within the qla_edif_app_getstats() function in drivers/scsi/qla2xxx/qla_edif.c. A local user can perform a denial of service (DoS) attack.

9) Improper error handling (CVE-ID: CVE-2024-36929)

CWE-ID: CWE-388 - Error Handling

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to improper error handling within the skb_alloc_rx_flag() and skb_copy_expand() functions in net/core/skbuff.c. A local user can perform a denial of service (DoS) attack.

10) Improper locking (CVE-ID: CVE-2024-36924)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to improper locking within the lpfc_set_rrq_active() and lpfc_sli_post_recovery_event() functions in drivers/scsi/lpfc/lpfc_sli.c, within the lpfc_dev_loss_tmo_callbk() function in drivers/scsi/lpfc/lpfc_hbadisc.c, within the lpfc_els_retry_delay() function in drivers/scsi/lpfc/lpfc_els.c. A local user can perform a denial of service (DoS) attack.

11) Integer underflow (CVE-ID: CVE-2022-48743)

CWE-ID: CWE-191 - Integer underflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer underflow within the xgbe_rx_buf2_len() function in drivers/net/ethernet/amd/xgbe/xgbe-drv.c. A local user can execute arbitrary code.

12) Race condition within a thread (CVE-ID: CVE-2024-38596)

CWE-ID: CWE-366 - Race Condition within a Thread

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to manipulate data.

The vulnerability exists due to a data race within the unix_stream_sendmsg() function in net/unix/af_unix.c. A local user can manipulate data.

Remediation

Install update from vendor's website.

References

• https://access.redhat.com/errata/RHSA-2024:4902