SB2025063049 - Red Hat Enterprise Linux 9 update for kernel

Description

This security bulletin contains information about 12 vulnerabilities.

1) Use of uninitialized resource (CVE-ID: CVE-2024-26638)

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 __sock_xmit() function in drivers/block/nbd.c. A local user can perform a denial of service (DoS) attack.

2) Improper locking (CVE-ID: CVE-2023-52623)

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 xprt_iter_current_entry() and rpc_xprt_switch_has_addr() functions in net/sunrpc/xprtmultipath.c. A local user can perform a denial of service (DoS) attack.

3) Memory leak (CVE-ID: CVE-2024-26669)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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 memory leak within the fl_tmplt_destroy() function in net/sched/cls_flower.c, within the tcf_block_playback_offloads() and tc_chain_tmplt_add() functions in net/sched/cls_api.c, within the void() function in include/net/sch_generic.h. A local user can perform a denial of service (DoS) attack.

4) Use-after-free (CVE-ID: CVE-2024-26939)

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 active_to_vma() and i915_vma_pin_ww() functions in drivers/gpu/drm/i915/i915_vma.c. A local user can escalate privileges on the system.

5) Information disclosure (CVE-ID: CVE-2024-35838)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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

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

The vulnerability exists due to information disclosure within the sta_info_free() function in net/mac80211/sta_info.c. A local user can gain access to sensitive information.

6) Double free (CVE-ID: CVE-2024-35847)

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 its_vpe_irq_domain_alloc() function in drivers/irqchip/irq-gic-v3-its.c. A local user can perform a denial of service (DoS) attack.

7) Memory leak (CVE-ID: CVE-2023-52662)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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 memory leak within the vmw_gmrid_man_get_node() function in drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c. A local user can perform a denial of service (DoS) attack.

8) Buffer overflow (CVE-ID: CVE-2024-36917)

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 blk_ioctl_discard() function in block/ioctl.c. A local user can escalate privileges on the system.

9) Input validation error (CVE-ID: CVE-2024-41042)

CWE-ID: CWE-20 - Improper input validation

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 input validation within the nf_tables_rule_release(), nft_chain_validate(), nft_chain_validate_hooks() and nft_validate_register_store() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.

10) Out-of-bounds read (CVE-ID: CVE-2024-56615)

CWE-ID: CWE-125 - Out-of-bounds read

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 out-of-bounds read error within the dev_map_alloc(), dev_map_delete_elem() and dev_map_hash_delete_elem() functions in kernel/bpf/devmap.c. A local user can perform a denial of service (DoS) attack.

11) Use-after-free (CVE-ID: CVE-2025-21764)

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 ndisc_alloc_skb() function in net/ipv6/ndisc.c. A local user can escalate privileges on the system.

12) Input validation error (CVE-ID: CVE-2024-58099)

CWE-ID: CWE-20 - Improper input validation

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 input validation within the vmxnet3_xdp_xmit_frame() function in drivers/net/vmxnet3/vmxnet3_xdp.c. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://access.redhat.com/errata/RHSA-2025:9584