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Medium ALSA-2025:11298 8 CVEs

Moderate: kernel security update

Published Jul 16, 2025 · Updated Oct 29, 2026

Summary

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

Security Fix(es):

* kernel: cifs: potential buffer overflow in handling symlinks (CVE-2022-49058)
* kernel: media: uvcvideo: Remove dangling pointers (CVE-2024-58002)
* kernel: media: uvcvideo: Fix double free in error path (CVE-2024-57980)
* kernel: x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes (CVE-2025-21991)
* kernel: net: atm: fix use after free in lec_send() (CVE-2025-22004)
* kernel: ext4: fix off-by-one error in do_split (CVE-2025-23150)
* kernel: ext4: ignore xattrs past end (CVE-2025-37738)
* kernel: misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram() (CVE-2022-49788)

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.

Fixed packages 25

ReleasePackageFixed in
AlmaLinux · 8 bpftool 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-abi-stablelists 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-core 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-cross-headers 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-debug 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-debug-core 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-debug-devel 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-debug-modules 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-debug-modules-extra 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-devel 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-doc 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-headers 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-modules 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-modules-extra 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-tools 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-tools-libs 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-tools-libs-devel 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-zfcpdump 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-core 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-devel 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-modules 4.18.0-553.62.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-modules-extra 4.18.0-553.62.1.el8_10
AlmaLinux · 8 perf 4.18.0-553.62.1.el8_10
AlmaLinux · 8 python3-perf 4.18.0-553.62.1.el8_10

Vulnerabilities 8

  • Critical 9.1

    cifs: potential buffer overflow in handling symlinks

    In the Linux kernel, the following vulnerability has been resolved: cifs: potential buffer overflow in handling symlinks Smatch printed a warning: arch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error: __memcpy() 'dctx->buf' too small (16 vs u32max…

  • High 8.6

    net: atm: fix use after free in lec_send()

    In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lec_send() The ->send() operation frees skb so save the length before calling ->send() to avoid a use after free.

  • High 7.8

    media: uvcvideo: Remove dangling pointers

    In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Remove dangling pointers When an async control is written, we copy a pointer to the file handle that started the operation. That pointer will be used when the device is done.…

  • High 7.8

    x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes

    In the Linux kernel, the following vulnerability has been resolved: x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes Currently, load_microcode_amd() iterates over all NUMA nodes, retrieves their CPU masks and unconditionally accesses p…

  • High 7.8

    ext4: fix off-by-one error in do_split

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in do_split Syzkaller detected a use-after-free issue in ext4_insert_dentry that was caused by out-of-bounds access due to incorrect splitting in do_split. BUG: KAS…

  • High 7.8

    ext4: ignore xattrs past end

    In the Linux kernel, the following vulnerability has been resolved: ext4: ignore xattrs past end Once inside 'ext4_xattr_inode_dec_ref_all' we should ignore xattrs entries past the 'end' entry. This fixes the following KASAN reported issue: ==================…

  • Unscored —

    misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram()

    In the Linux kernel, the following vulnerability has been resolved: misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram() `struct vmci_event_qp` allocated by qp_notify_peer() contains padding, which may carry uninitialized data to the userspace, a…

  • Unscored —

    media: uvcvideo: Fix double free in error path

    In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fix double free in error path If the uvc_status_init() function fails to allocate the int_urb, it will free the dev->status pointer but doesn't reset the pointer to NULL. Thi…

References

  • report
    https://access.redhat.com/security/cve/CVE-2022-49058
  • report
    https://access.redhat.com/security/cve/CVE-2022-49788
  • report
    https://access.redhat.com/security/cve/CVE-2024-57980
  • report
    https://access.redhat.com/security/cve/CVE-2024-58002
  • report
    https://access.redhat.com/security/cve/CVE-2025-21991
  • report
    https://access.redhat.com/security/cve/CVE-2025-22004
  • report
    https://access.redhat.com/security/cve/CVE-2025-23150
  • report
    https://access.redhat.com/security/cve/CVE-2025-37738
  • report
    https://bugzilla.redhat.com/2348254
  • report
    https://bugzilla.redhat.com/2348513
  • report
    https://bugzilla.redhat.com/2348599
  • report
    https://bugzilla.redhat.com/2356917
  • report
    https://bugzilla.redhat.com/2357142
  • report
    https://bugzilla.redhat.com/2363268
  • report
    https://bugzilla.redhat.com/2363305
  • report
    https://bugzilla.redhat.com/2363378
  • advisory
    https://errata.almalinux.org/8/ALSA-2025-11298.html