SB2026073122 - Multiple vulnerabilities in IBM TXSeries for Multiplatforms
Published: July 31, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2022-49910)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the l2cap_rx_state_recv(), l2cap_rx() and l2cap_stream_rx() functions in net/bluetooth/l2cap_core.c. A local user can escalate privileges on the system.
2) Memory leak (CVE-ID: CVE-2022-49657)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the usbnet_async_cmd_cb() and usbnet_write_cmd_async() functions in drivers/net/usb/usbnet.c. A local user can perform a denial of service (DoS) attack.
3) Buffer overflow (CVE-ID: CVE-2025-21927)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the nvme_tcp_queue_id() and nvme_tcp_recv_pdu() functions in drivers/nvme/host/tcp.c. A local user can escalate privileges on the system.
4) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2025-8869)
CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to modify data on the system.
The vulnerability exists due to improper error handling. A remote attacker can trick the victim into opening a specially crafted data and modify data on the system.
Remediation
Install update from vendor's website.