RHSA-2025:21112 - Security Advisory

标题

An update for kernel is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

描述

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails (CVE-2022-50087)
• kernel: sunrpc: fix client side handling of tls alerts (CVE-2025-38571)
• kernel: sunrpc: fix handling of server side tls alerts (CVE-2025-38566)
• kernel: vsock/virtio: Validate length in packet header before skb_put() (CVE-2025-39718)
• kernel: ipv6: sr: Fix MAC comparison to be constant-time (CVE-2025-39702)
• kernel: x86/vmscape: Add conditional IBPB mitigation (CVE-2025-40300)
• kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)
• kernel: pstore/ram: Check start of empty przs during init (CVE-2023-53331)
• kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy (CVE-2022-50367)
• kernel: crypto: seqiv - Handle EBUSY correctly (CVE-2023-53373)
• kernel: wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result() (CVE-2025-39849)
• kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path (CVE-2025-39841)
• kernel: crypto: xts - Handle EBUSY correctly (CVE-2023-53494)

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.

解决方案

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

受影响的产品

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for ARM 64 9 aarch64
• Red Hat CodeReady Linux Builder for x86_64 9 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 9 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x

修复

• BZ - 2373539 - CVE-2022-50087 kernel: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails
• BZ - 2389480 - CVE-2025-38571 kernel: sunrpc: fix client side handling of tls alerts
• BZ - 2389487 - CVE-2025-38566 kernel: sunrpc: fix handling of server side tls alerts
• BZ - 2393507 - CVE-2025-39718 kernel: vsock/virtio: Validate length in packet header before skb_put()
• BZ - 2393533 - CVE-2025-39702 kernel: ipv6: sr: Fix MAC comparison to be constant-time
• BZ - 2394627 - CVE-2025-40300 kernel: x86/vmscape: Add conditional IBPB mitigation
• BZ - 2395805 - CVE-2025-39817 kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare
• BZ - 2395880 - CVE-2023-53331 kernel: pstore/ram: Check start of empty przs during init
• BZ - 2396114 - CVE-2022-50367 kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy
• BZ - 2396379 - CVE-2023-53373 kernel: crypto: seqiv - Handle EBUSY correctly
• BZ - 2396928 - CVE-2025-39849 kernel: wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result()
• BZ - 2396944 - CVE-2025-39841 kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path
• BZ - 2400777 - CVE-2023-53494 kernel: crypto: xts - Handle EBUSY correctly

CVE

• CVE-2022-50087
• CVE-2022-50367
• CVE-2023-53331
• CVE-2023-53373
• CVE-2023-53494
• CVE-2025-38566
• CVE-2025-38571
• CVE-2025-39702
• CVE-2025-39718
• CVE-2025-39817
• CVE-2025-39841
• CVE-2025-39849
• CVE-2025-40300

参考

• https://access.redhat.com/security/updates/classification/#moderate