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Security update for libvirt

Type: advisorySource: OSV1 source record

This update for libvirt fixes the following issues: - CVE-2026-18917: Integer overflow in NodeGetFreePages RPC handler leading to heap buffer overflow (bsc#1275863). - CVE-2026-61477: newline injection in network XML DNS TXT/SRV fields allows dnsmasq config directive injection (bsc#1274576). - CVE-2026-63622: `swtpm` privilege escalation via symlink following (bsc#1275264). - CVE-2026-63623: information disclosure via world-readable storage volume images during clone/convert (bsc#1275265). - CVE-2026-77159: root `chown()` on `swtpm` logfile follows symlinks (bsc#1274946).

Announced Source revision 1
Original source ↗

SUSE-SU-2026:4141-1

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:SUSE-SU-2026:4141-1

libvirt

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
5.1.0-13.48.1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

libvirt

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
5.1.0-13.48.1

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "5.1.0-13.48.1"
          }
        ]
      }
    ],
    "package": {
      "name": "libvirt",
      "purl": "pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS",
      "ecosystem": "SUSE:Linux Enterprise Server 12 SP5-LTSS"
    },
    "database_specific": {
      "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4141-1.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "libvirt": "5.1.0-13.48.1",
          "libvirt-doc": "5.1.0-13.48.1",
          "libvirt-nss": "5.1.0-13.48.1",
          "libvirt-libs": "5.1.0-13.48.1",
          "libvirt-admin": "5.1.0-13.48.1",
          "libvirt-devel": "5.1.0-13.48.1",
          "libvirt-client": "5.1.0-13.48.1",
          "libvirt-daemon": "5.1.0-13.48.1",
          "libvirt-daemon-lxc": "5.1.0-13.48.1",
          "libvirt-daemon-xen": "5.1.0-13.48.1",
          "libvirt-daemon-qemu": "5.1.0-13.48.1",
          "libvirt-daemon-hooks": "5.1.0-13.48.1",
          "libvirt-lock-sanlock": "5.1.0-13.48.1",
          "libvirt-daemon-driver-lxc": "5.1.0-13.48.1",
          "libvirt-daemon-driver-qemu": "5.1.0-13.48.1",
          "libvirt-daemon-driver-libxl": "5.1.0-13.48.1",
          "libvirt-daemon-driver-secret": "5.1.0-13.48.1",
          "libvirt-daemon-config-network": "5.1.0-13.48.1",
          "libvirt-daemon-driver-network": "5.1.0-13.48.1",
          "libvirt-daemon-driver-nodedev": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage": "5.1.0-13.48.1",
          "libvirt-daemon-config-nwfilter": "5.1.0-13.48.1",
          "libvirt-daemon-driver-nwfilter": "5.1.0-13.48.1",
          "libvirt-daemon-driver-interface": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-rbd": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-core": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-disk": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-scsi": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-iscsi": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-mpath": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-logical": "5.1.0-13.48.1"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "5.1.0-13.48.1"
          }
        ]
      }
    ],
    "package": {
      "name": "libvirt",
      "purl": "pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5",
      "ecosystem": "SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5"
    },
    "database_specific": {
      "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4141-1.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "libvirt": "5.1.0-13.48.1",
          "libvirt-doc": "5.1.0-13.48.1",
          "libvirt-nss": "5.1.0-13.48.1",
          "libvirt-libs": "5.1.0-13.48.1",
          "libvirt-admin": "5.1.0-13.48.1",
          "libvirt-devel": "5.1.0-13.48.1",
          "libvirt-client": "5.1.0-13.48.1",
          "libvirt-daemon": "5.1.0-13.48.1",
          "libvirt-daemon-lxc": "5.1.0-13.48.1",
          "libvirt-daemon-xen": "5.1.0-13.48.1",
          "libvirt-daemon-qemu": "5.1.0-13.48.1",
          "libvirt-daemon-hooks": "5.1.0-13.48.1",
          "libvirt-lock-sanlock": "5.1.0-13.48.1",
          "libvirt-daemon-driver-lxc": "5.1.0-13.48.1",
          "libvirt-daemon-driver-qemu": "5.1.0-13.48.1",
          "libvirt-daemon-driver-libxl": "5.1.0-13.48.1",
          "libvirt-daemon-driver-secret": "5.1.0-13.48.1",
          "libvirt-daemon-config-network": "5.1.0-13.48.1",
          "libvirt-daemon-driver-network": "5.1.0-13.48.1",
          "libvirt-daemon-driver-nodedev": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage": "5.1.0-13.48.1",
          "libvirt-daemon-config-nwfilter": "5.1.0-13.48.1",
          "libvirt-daemon-driver-nwfilter": "5.1.0-13.48.1",
          "libvirt-daemon-driver-interface": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-rbd": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-core": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-disk": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-scsi": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-iscsi": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-mpath": "5.1.0-13.48.1",
          "libvirt-daemon-driver-storage-logical": "5.1.0-13.48.1"
        }
      ]
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#23491 · Revision 1
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Publisher date
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