SB2025111952 - Ubuntu update for linux-oracle
Published: November 19, 2025 Updated: February 6, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 28 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2025-40300)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the vcpu_enter_guest() function in arch/x86/kvm/x86.c. A local user can perform a denial of service (DoS) attack.
2) Use-after-free (CVE-ID: CVE-2025-38618)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the __vsock_bind_connectible() function in net/vmw_vsock/af_vsock.c. A local user can escalate privileges on the system.
3) Improper locking (CVE-ID: CVE-2025-38617)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the packet_set_ring() function in net/packet/af_packet.c. A local user can perform a denial of service (DoS) attack.
4) Use-after-free (CVE-ID: CVE-2025-38477)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the qfq_change_class(), qfq_delete_class(), qfq_dump_class() and qfq_dump_class_stats() functions in net/sched/sch_qfq.c. A local user can escalate privileges on the system.
5) Race condition (CVE-ID: CVE-2025-38352)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the run_posix_cpu_timers() function in kernel/time/posix-cpu-timers.c. A local user can escalate privileges on the system.
Note, the vulnerability is being actively exploited in the wild against Android devices.
6) Use-after-free (CVE-ID: CVE-2025-38350)
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_alloc_handle() and qdisc_tree_reduce_backlog() functions in net/sched/sch_api.c. A local user can escalate privileges on the system.
7) Use-after-free (CVE-ID: CVE-2025-37838)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ssip_reset() function in drivers/hsi/clients/ssi_protocol.c. A local user can escalate privileges on the system.
8) Use-after-free (CVE-ID: CVE-2025-37785)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the __ext4_check_dir_entry() function in fs/ext4/dir.c. A local user can escalate privileges on the system.
9) Out-of-bounds read (CVE-ID: CVE-2025-37752)
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 sfq_change() function in net/sched/sch_sfq.c. A local user can perform a denial of service (DoS) attack.
10) Use-after-free (CVE-ID: CVE-2025-21796)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the posix_acl_release() function in fs/nfsd/nfs3acl.c, within the posix_acl_release() function in fs/nfsd/nfs2acl.c. A local user can escalate privileges on the system.
11) Out-of-bounds read (CVE-ID: CVE-2024-57996)
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 sfq_change() function in net/sched/sch_sfq.c. A local user can perform a denial of service (DoS) attack.
12) Use-after-free (CVE-ID: CVE-2024-56767)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the at_xdmac_prep_dma_memset() function in drivers/dma/at_xdmac.c. A local user can escalate privileges on the system.
13) Out-of-bounds read (CVE-ID: CVE-2024-53150)
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 DESC_LENGTH_CHECK(), validate_clock_source() and validate_clock_selector() functions in sound/usb/clock.c. A local user can perform a denial of service (DoS) attack.
14) NULL pointer dereference (CVE-ID: CVE-2024-53131)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the __nilfs_get_page_block() function in fs/nilfs2/page.c. A local user can perform a denial of service (DoS) attack.
15) NULL pointer dereference (CVE-ID: CVE-2024-53130)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the nilfs_grab_buffer() function in fs/nilfs2/page.c, within the nilfs_mdt_create_block() function in fs/nilfs2/mdt.c, within the nilfs_gccache_submit_read_data() function in fs/nilfs2/gcinode.c, within the nilfs_btnode_create_block() and nilfs_btnode_submit_block() functions in fs/nilfs2/btnode.c. A local user can perform a denial of service (DoS) attack.
16) Race condition within a thread (CVE-ID: CVE-2024-53124)
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the tcp_v6_do_rcv() function in net/ipv6/tcp_ipv6.c, within the dccp_v6_do_rcv() function in net/dccp/ipv6.c. A local user can corrupt data.
17) Input validation error (CVE-ID: CVE-2024-50299)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the sctp_sf_ootb() function in net/sctp/sm_statefuns.c. A local user can perform a denial of service (DoS) attack.
18) Input validation error (CVE-ID: CVE-2024-50202)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the nilfs_lookup(), nilfs_do_unlink(), nilfs_rename() and nilfs_get_parent() functions in fs/nilfs2/namei.c, within the nilfs_readdir(), nilfs_find_entry() and nilfs_inode_by_name() functions in fs/nilfs2/dir.c. A local user can perform a denial of service (DoS) attack.
19) Use-after-free (CVE-ID: CVE-2024-50051)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mpc52xx_spi_remove() function in drivers/spi/spi-mpc52xx.c. A local user can escalate privileges on the system.
20) Improper locking (CVE-ID: CVE-2024-50006)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ext4_ind_migrate() function in fs/ext4/migrate.c. A local user can perform a denial of service (DoS) attack.
21) Use-after-free (CVE-ID: CVE-2024-49924)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the pxafb_remove() function in drivers/video/fbdev/pxafb.c. A local user can escalate privileges on the system.
22) Use of uninitialized resource (CVE-ID: CVE-2024-47685)
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 nf_reject_ip6_tcphdr_put() function in net/ipv6/netfilter/nf_reject_ipv6.c. A local user can perform a denial of service (DoS) attack.
23) Memory leak (CVE-ID: CVE-2024-41006)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nr_heartbeat_expiry() function in net/netrom/nr_timer.c. A local user can perform a denial of service (DoS) attack.
24) Information disclosure (CVE-ID: CVE-2024-35849)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the init_data_container() function in fs/btrfs/backref.c. A local user can gain access to sensitive information.
25) Memory leak (CVE-ID: CVE-2024-27074)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the go7007_load_encoder() function in drivers/media/usb/go7007/go7007-driver.c. A local user can perform a denial of service (DoS) attack.
26) NULL pointer dereference (CVE-ID: CVE-2023-52650)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the tegra_dsi_ganged_probe() function in drivers/gpu/drm/tegra/dsi.c. A local user can perform a denial of service (DoS) attack.
27) NULL pointer dereference (CVE-ID: CVE-2023-52574)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in drivers/net/team/team.c. A local user can perform a denial of service (DoS) attack.
28) 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.
Remediation
Install update from vendor's website.