Red Hat Security Advisory: kernel security update

Fixed packages 81

Vulnerabilities 3

• Critical 9.1
  CVE-2022-49058

  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…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Feb 26, 2025
• High 8.6
  CVE-2025-22004

  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.

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 3, 2025
• High 7.1
  CVE-2022-49395

  um: Fix out-of-bounds read in LDT setup

  In the Linux kernel, the following vulnerability has been resolved: um: Fix out-of-bounds read in LDT setup syscall_stub_data() expects the data_count parameter to be the number of longs, not bytes. ============================================================…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Feb 26, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2347899
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2348254
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2357142
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_11570.json
• report
  https://access.redhat.com/security/cve/CVE-2022-49058
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-49058
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-49058
• article
  https://lore.kernel.org/linux-cve-announce/2025022653-CVE-2022-49058-5df2@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2022-49395
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-49395
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-49395
• article
  https://lore.kernel.org/linux-cve-announce/2025022650-CVE-2022-49395-7419@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-22004
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22004
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22004
• article
  https://lore.kernel.org/linux-cve-announce/2025040349-CVE-2025-22004-64f9@gregkh/T