Important: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: io_uring/sqpoll: zero sqd->thread on tctx errors (CVE-2025-21633) * kernel: soc: qcom: socinfo: Avoid out of bounds read of serial number (CVE-2024-58007) * kernel: tpm: Change to kvalloc() in eventlog/acpi.c (CVE-2024-58005) * kernel: rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read (CVE-2024-58069) * kernel: nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() (CVE-2025-21927) * kernel: iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic() (CVE-2025-21993) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: io_uring/sqpoll: zero sqd->thread on tctx errors (CVE-2025-21633) * kernel: soc: qcom: socinfo: Avoid out of bounds read of serial number (CVE-2024-58007) * kernel: tpm: Change to kvalloc() in eventlog/acpi.c (CVE-2024-58005) * kernel: rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read (CVE-2024-58069) * kernel: nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() (CVE-2025-21927) * kernel: iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic() (CVE-2025-21993) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2025:7423
- https://access.redhat.com/security/cve/CVE-2024-58005
- https://access.redhat.com/security/cve/CVE-2024-58007
- https://access.redhat.com/security/cve/CVE-2024-58069
- https://access.redhat.com/security/cve/CVE-2025-21633
- https://access.redhat.com/security/cve/CVE-2025-21927
- https://access.redhat.com/security/cve/CVE-2025-21993
- https://bugzilla.redhat.com/2338813
- https://bugzilla.redhat.com/2348565
- https://bugzilla.redhat.com/2348590
- https://bugzilla.redhat.com/2350364
- https://bugzilla.redhat.com/2356593
- https://bugzilla.redhat.com/2356908
- https://errata.almalinux.org/9/ALSA-2025-7423.html