Red Hat Security Advisory: kernel security update

Fixed packages 142

Vulnerabilities 5

• Critical 9.8
  CVE-2025-38211

  RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction

  In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction The commit 59c68ac31e15 ("iw_cm: free cm_id resources on the last deref") simplified cm_id resource management by freeing…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 4, 2025
• High 7.8
  CVE-2024-50121

  nfsd: cancel nfsd_shrinker_work using sync mode in nfs4_state_shutdown_net

  In the Linux kernel, the following vulnerability has been resolved: nfsd: cancel nfsd_shrinker_work using sync mode in nfs4_state_shutdown_net In the normal case, when we excute `echo 0 > /proc/fs/nfsd/threads`, the function `nfs4_state_destroy_net` in `nfs4_…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Nov 5, 2024
• High 7.0
  CVE-2025-38461

  vsock: Fix transport_* TOCTOU

  In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport_* TOCTOU Transport assignment may race with module unload. Protect new_transport from becoming a stale pointer. This also takes care of an insecure call in vsock_use_loca…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 25, 2025
• Unscored —
  CVE-2025-22058

  udp: Fix memory accounting leak.

  In the Linux kernel, the following vulnerability has been resolved: udp: Fix memory accounting leak. Matt Dowling reported a weird UDP memory usage issue. Under normal operation, the UDP memory usage reported in /proc/net/sockstat remains close to zero. Howev…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 16, 2025
• Unscored —
  CVE-2025-37810

  usb: dwc3: gadget: check that event count does not exceed event buffer length

  In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: check that event count does not exceed event buffer length The event count is read from register DWC3_GEVNTCOUNT. There is a check for the count being zero, but not for exc…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 8, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2323905
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2360276
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2365028
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2376406
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2383513
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_16669.json
• report
  https://access.redhat.com/security/cve/CVE-2024-50121
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-50121
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-50121
• article
  https://lore.kernel.org/linux-cve-announce/2024110556-CVE-2024-50121-2a0a@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-22058
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22058
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22058
• article
  https://lore.kernel.org/linux-cve-announce/2025041606-CVE-2025-22058-045a@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-37810
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37810
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37810
• article
  https://lore.kernel.org/linux-cve-announce/2025050816-CVE-2025-37810-57c4@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38211
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38211
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38211
• article
  https://lore.kernel.org/linux-cve-announce/2025070422-CVE-2025-38211-215a@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38461
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38461
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38461
• article
  https://lore.kernel.org/linux-cve-announce/2025072507-CVE-2025-38461-33b1@gregkh/T