SB2024060859 - Ubuntu update for linux-aws-hwe
Published: June 8, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 17 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2023-47233)
The vulnerability allows an attacker to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the brcm80211 in a brcmf_cfg80211_detach in the device unplugging (disconnect the USB by hotplug) code. An attacker with physical access to device can trigger a use-after-free error and escalate privileges on the system.
2) Improper locking (CVE-ID: CVE-2023-52524)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nfc_llcp_register_device() function in net/nfc/llcp_core.c. A local user can perform a denial of service (DoS) attack.
3) Use-after-free (CVE-ID: CVE-2023-52530)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ieee80211_key_link() function in net/mac80211/key.c, within the ieee80211_add_key() function in net/mac80211/cfg.c. A local user can escalate privileges on the system.
4) Buffer overflow (CVE-ID: CVE-2023-52601)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in fs/jfs/jfs_dmap.c. A local user can trigger memory corruption and perform a denial of service (DoS) attack.
5) Use-after-free (CVE-ID: CVE-2023-52439)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the uio_open() function in drivers/uio/uio.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
6) Use of uninitialized resource (CVE-ID: CVE-2024-26635)
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 cpu_to_be16() function in net/llc/llc_core.c. A local user can perform a denial of service (DoS) attack.
7) Out-of-bounds read (CVE-ID: CVE-2023-52602)
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the dtSearch() function in fs/jfs/jfs_dtree.c. A local user can trigger an out-of-bounds read error and read contents of memory on the system.
8) Resource management error (CVE-ID: CVE-2024-26614)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the reqsk_queue_alloc() function in net/core/request_sock.c. A remote attacker can send specially crafted ACK packets to the system and perform a denial of service (DoS) attack.
9) Double free (CVE-ID: CVE-2024-26704)
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 ext4_move_extents() function in fs/ext4/move_extent.c. A local user can perform a denial of service (DoS) attack.
10) Out-of-bounds read (CVE-ID: CVE-2023-52604)
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 dbAdjTree() function in fs/jfs/jfs_dmap.c. A local user can perform a denial of service (DoS) attack.
11) Use-after-free (CVE-ID: CVE-2023-52566)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nilfs_gccache_submit_read_data() function in fs/nilfs2/gcinode.c. A local user can escalate privileges on the system.
12) NULL pointer dereference (CVE-ID: CVE-2021-46981)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the nbd_disconnect_and_put() function in drivers/block/nbd.c. A local user can perform a denial of service (DoS) attack.
13) Use-after-free (CVE-ID: CVE-2024-26622)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tomoyo_write_control() function. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
14) Use-after-free (CVE-ID: CVE-2024-26735)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the seg6_init() function in net/ipv6/seg6.c. A local user can escalate privileges on the system.
15) Use of uninitialized resource (CVE-ID: CVE-2024-26805)
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 netlink_group_mask() function in net/netlink/af_netlink.c. A local user can perform a denial of service (DoS) attack.
16) Use-after-free (CVE-ID: CVE-2024-26801)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the hci_error_reset() function in net/bluetooth/hci_core.c. A local user can escalate privileges on the system.
17) Improper locking (CVE-ID: CVE-2023-52583)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ceph_encode_dentry_release() function in fs/ceph/caps.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.