SB2025050659 - Ubuntu update for linux
Published: May 6, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2023-52927)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the nft_ct_set_zone_eval() and nft_ct_tmpl_alloc_pcpu() functions in net/netfilter/nft_ct.c, within the EXPORT_SYMBOL_GPL() and nf_ct_find_expectation() functions in net/netfilter/nf_conntrack_expect.c, within the init_conntrack() function in net/netfilter/nf_conntrack_core.c. A local user can perform a denial of service (DoS) attack.
2) Double free (CVE-ID: CVE-2023-52664)
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 aq_vec_ring_alloc() function in drivers/net/ethernet/aquantia/atlantic/aq_vec.c, within the aq_get_rxpages(), aq_ring_alloc(), aq_ring_rx_alloc() and aq_ring_hwts_rx_alloc() functions in drivers/net/ethernet/aquantia/atlantic/aq_ring.c, within the aq_ptp_ring_alloc() function in drivers/net/ethernet/aquantia/atlantic/aq_ptp.c. A local user can perform a denial of service (DoS) attack.
3) Use-after-free (CVE-ID: CVE-2024-26689)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the __prep_cap() and __send_cap() functions in fs/ceph/caps.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.