SB2025112131 - Multiple vulnerabilities in Google ChromeOS LTS
Published: November 21, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 11 secuirty vulnerabilities.
1) Type confusion (CVE-ID: CVE-2025-13224)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) 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.
3) 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.
4) 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.
5) Use-after-free (CVE-ID: CVE-2025-21756)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL_GPL() and __vsock_release() functions in net/vmw_vsock/af_vsock.c. A local user can escalate privileges on the system.
6) Incorrect calculation (CVE-ID: CVE-2025-21971)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the tc_ctl_tclass() function in net/sched/sch_api.c. A local user can perform a denial of service (DoS) attack.
7) Input validation error (CVE-ID: CVE-2025-37798)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the qdisc_bstats_update() function in net/sched/sch_fq_codel.c, within the codel_qdisc_dequeue() function in net/sched/sch_codel.c. A local user can perform a denial of service (DoS) attack.
8) Resource management error (CVE-ID: CVE-2025-37756)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the tls_setsockopt() and build_protos() functions in net/tls/tls_main.c. A local user can perform a denial of service (DoS) attack.
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) Buffer overflow (CVE-ID: CVE-2025-21836)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the io_destroy_buffers() and io_register_pbuf_ring() functions in io_uring/kbuf.c. A local user can perform a denial of service (DoS) attack.
11) Improper locking (CVE-ID: CVE-2024-27397)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __nft_rbtree_insert(), nft_rbtree_deactivate() and nft_rbtree_gc() functions in net/netfilter/nft_set_rbtree.c, within the pipapo_get(), nft_pipapo_get(), nft_pipapo_insert(), pipapo_gc() and pipapo_deactivate() functions in net/netfilter/nft_set_pipapo.c, within the nft_rhash_key(), nft_rhash_cmp(), nft_rhash_lookup(), nft_rhash_get(), nft_rhash_update(), nft_rhash_insert() and nft_rhash_deactivate() functions in net/netfilter/nft_set_hash.c, within the nft_trans_gc_catchall_sync() and nf_tables_valid_genid() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.