SB2025042475 - Ubuntu update for linux
Published: April 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 11 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2024-53237)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the __match_tty() and hci_conn_del_sysfs() functions in net/bluetooth/hci_sysfs.c. A local user can escalate privileges on the system.
2) Improper error handling (CVE-ID: CVE-2024-50256)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the nf_reject6_fill_skb_dst() and nf_send_reset6() functions in net/ipv6/netfilter/nf_reject_ipv6.c. A local user can perform a denial of service (DoS) attack.
3) Memory leak (CVE-ID: CVE-2021-47119)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ext4_fill_super() and kfree() functions in fs/ext4/super.c. A local user can perform a denial of service (DoS) attack.
4) Resource management error (CVE-ID: CVE-2024-35958)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ena_unmap_tx_buff() and ena_free_tx_bufs() functions in drivers/net/ethernet/amazon/ena/ena_netdev.c. A local user can perform a denial of service (DoS) attack.
5) Use-after-free (CVE-ID: CVE-2025-21700)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the qdisc_lookup() function in net/sched/sch_api.c. A local user can escalate privileges on the system.
6) Use-after-free (CVE-ID: CVE-2025-21703)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the net/sched/sch_netem.c. A local user can escalate privileges on the system.
7) Use-after-free (CVE-ID: CVE-2024-56651)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the hi3110_can_ist() function in drivers/net/can/spi/hi311x.c. A local user can escalate privileges on the system.
8) Input validation error (CVE-ID: CVE-2024-49974)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the nfs4_state_create_net() function in fs/nfsd/nfs4state.c, within the nfs4_put_copy() and nfsd4_copy() functions in fs/nfsd/nfs4proc.c. A local user can perform a denial of service (DoS) attack.
9) Resource management error (CVE-ID: CVE-2025-21702)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the pfifo_tail_enqueue() function in net/sched/sch_fifo.c. A local user can perform a denial of service (DoS) attack.
10) Buffer overflow (CVE-ID: CVE-2024-26915)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the vega20_ih_get_wptr() function in drivers/gpu/drm/amd/amdgpu/vega20_ih.c, within the vega10_ih_get_wptr() function in drivers/gpu/drm/amd/amdgpu/vega10_ih.c, within the tonga_ih_get_wptr() function in drivers/gpu/drm/amd/amdgpu/tonga_ih.c, within the si_ih_get_wptr() function in drivers/gpu/drm/amd/amdgpu/si_ih.c, within the navi10_ih_get_wptr() function in drivers/gpu/drm/amd/amdgpu/navi10_ih.c, within the iceland_ih_get_wptr() function in drivers/gpu/drm/amd/amdgpu/iceland_ih.c, within the cz_ih_get_wptr() function in drivers/gpu/drm/amd/amdgpu/cz_ih.c, within the cik_ih_get_wptr() function in drivers/gpu/drm/amd/amdgpu/cik_ih.c. A local user can escalate privileges on the system.
11) Input validation error (CVE-ID: CVE-2024-46826)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the fs/binfmt_elf.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.