SB2024092360 - Ubuntu update for linux-ibm-5.15

Description

This security bulletin contains information about 8 vulnerabilities.

1) Memory leak (CVE-ID: CVE-2024-27012)

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 nft_rbtree_activate() and nft_rbtree_walk() functions in net/netfilter/nft_set_rbtree.c, within the nft_pipapo_activate() and nft_pipapo_walk() functions in net/netfilter/nft_set_pipapo.c, within the nft_rhash_activate(), nft_rhash_walk(), nft_hash_activate() and nft_hash_walk() functions in net/netfilter/nft_set_hash.c, within the nft_bitmap_activate() and nft_bitmap_walk() functions in net/netfilter/nft_set_bitmap.c, within the nft_mapelem_deactivate(), nft_map_catchall_deactivate(), nft_setelem_validate(), nf_tables_bind_check_setelem(), nft_mapelem_activate(), nft_map_catchall_activate(), nf_tables_dump_setelem(), nft_setelem_activate(), nft_setelem_flush() and nf_tables_loop_check_setelem() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.

2) Use-after-free (CVE-ID: CVE-2024-39496)

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 btrfs_load_zone_info() function in fs/btrfs/zoned.c. A local user can escalate privileges on the system.

3) Input validation error (CVE-ID: CVE-2024-26677)

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 rxrpc_propose_delay_ACK(), rxrpc_send_initial_ping() and rxrpc_input_call_event() functions in net/rxrpc/call_event.c. A local user can perform a denial of service (DoS) attack.

4) Use of uninitialized resource (CVE-ID: CVE-2024-42228)

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 amdgpu_vce_ring_parse_cs() function in drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c. A local user can perform a denial of service (DoS) attack.

5) Use-after-free (CVE-ID: CVE-2024-38570)

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 gfs2_gl_hash_clear() function in fs/gfs2/super.c, within the init_sbd() function in fs/gfs2/ops_fstype.c, within the gdlm_ast(), gdlm_bast() and gdlm_put_lock() functions in fs/gfs2/lock_dlm.c, within the glock_blocked_by_withdraw() and gfs2_gl_hash_clear() functions in fs/gfs2/glock.c. A local user can escalate privileges on the system.

6) Use-after-free (CVE-ID: CVE-2024-39494)

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 ima_eventname_init_common() function in security/integrity/ima/ima_template_lib.c, within the ima_collect_measurement() and ima_d_path() functions in security/integrity/ima/ima_api.c. A local user can escalate privileges on the system.

7) Input validation error (CVE-ID: CVE-2024-42160)

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 f2fs_build_fault_attr() and parse_options() functions in fs/f2fs/super.c. A local user can perform a denial of service (DoS) attack.

8) Input validation error (CVE-ID: CVE-2024-41009)

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 __aligned(), bpf_ringbuf_alloc(), bpf_ringbuf_restore_from_rec() and __bpf_ringbuf_reserve() functions in kernel/bpf/ringbuf.c. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://ubuntu.com/security/notices/USN-7021-2