UBUNTU-CVE-2025-39730

    Dashboard / Vulnerabilities / UBUNTU-CVE-2025-39730

    UBUNTU-CVE-2025-39730

    Published: 7 Sept 2025Last Modified: 6 Nov 2026
    Upstream:
    Aliases:

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() The function needs to check the minimal filehandle length before it can access the embedded filehandle.

    References: https://ubuntu.com/security/CVE-2025-39730, https://www.cve.org/CVERecord?id=CVE-2025-39730, https://git.kernel.org/linus/ef93a685e01a281b5e2a25ce4e3428cf9371a205, https://git.kernel.org/stable/c/12ad3def2e5e0b120e3d0cb6ce8b7b796819ad40, https://git.kernel.org/stable/c/2ad40b7992aa26bc631afc1a995b0e3ddc30de3f, https://git.kernel.org/stable/c/3570ef5c31314c13274c935a20b91768ab5bf412, https://git.kernel.org/stable/c/763810bb883cb4de412a72f338d80947d97df67b, https://git.kernel.org/stable/c/7dd36f7477d1e03a1fcf8d13531ca326c4fb599f, https://git.kernel.org/stable/c/7f8eca87fef7519e9c41f3258f25ebc2752247ee, https://git.kernel.org/stable/c/b7f7866932466332a2528fda099000b035303485, https://git.kernel.org/stable/c/cb09afa0948d96b1e385d609ed044bb1aa043536, https://git.kernel.org/stable/c/ef93a685e01a281b5e2a25ce4e3428cf9371a205, https://ubuntu.com/security/notices/USN-7879-1, https://ubuntu.com/security/notices/USN-7879-2, https://ubuntu.com/security/notices/USN-7880-1, https://ubuntu.com/security/notices/USN-7879-3, https://ubuntu.com/security/notices/USN-7909-1, https://ubuntu.com/security/notices/USN-7879-4, https://ubuntu.com/security/notices/USN-7909-2, https://ubuntu.com/security/notices/USN-7909-3, https://ubuntu.com/security/notices/USN-7910-1, https://ubuntu.com/security/notices/USN-7909-4, https://ubuntu.com/security/notices/USN-7910-2, https://ubuntu.com/security/notices/USN-7933-1, https://ubuntu.com/security/notices/USN-7909-5, https://ubuntu.com/security/notices/USN-7934-1, https://ubuntu.com/security/notices/USN-7938-1, https://ubuntu.com/security/notices/USN-8028-1, https://ubuntu.com/security/notices/USN-8028-2, https://ubuntu.com/security/notices/USN-8031-1, https://ubuntu.com/security/notices/USN-8028-3, https://ubuntu.com/security/notices/USN-8028-4, https://ubuntu.com/security/notices/USN-8028-5, https://ubuntu.com/security/notices/USN-8031-2, https://ubuntu.com/security/notices/USN-8028-6, https://ubuntu.com/security/notices/USN-8031-3, https://ubuntu.com/security/notices/USN-8052-1, https://ubuntu.com/security/notices/USN-8028-7, https://ubuntu.com/security/notices/USN-8028-8, https://ubuntu.com/security/notices/USN-8052-2, https://ubuntu.com/security/notices/USN-8074-1, https://ubuntu.com/security/notices/USN-8074-2, https://ubuntu.com/security/notices/USN-8126-1, https://ubuntu.com/security/notices/USN-8964-1, https://ubuntu.com/security/notices/USN-8965-1

    Affected packages

    Package

    Name: linux-azure

    Purl: pkg:deb/ubuntu/linux-azure?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.15.0-1023.24~14.04.1
    4.15.0-1030.31~14.04.1
    4.15.0-1031.32~14.04.1
    4.15.0-1032.33~14.04.2
    4.15.0-1035.36~14.04.2
    4.15.0-1036.38~14.04.2
    4.15.0-1037.39~14.04.2
    4.15.0-1039.41~14.04.2
    4.15.0-1040.44~14.04.1
    4.15.0-1041.45~14.04.1
    4.15.0-1042.46~14.04.1
    4.15.0-1045.49~14.04.1
    4.15.0-1046.50~14.04.1
    4.15.0-1047.51~14.04.1
    4.15.0-1049.54~14.04.1
    4.15.0-1050.55~14.04.1
    4.15.0-1051.56~14.04.1
    4.15.0-1052.57~14.04.1
    4.15.0-1055.60~14.04.1
    4.15.0-1056.61~14.04.1
    4.15.0-1057.62~14.04.1
    4.15.0-1059.64~14.04.1
    4.15.0-1060.65~14.04.1
    4.15.0-1061.66~14.04.1
    4.15.0-1063.68~14.04.1
    4.15.0-1064.69~14.04.1
    4.15.0-1066.71~14.04.1
    4.15.0-1067.72~14.04.1
    4.15.0-1069.74~14.04.1
    4.15.0-1071.76~14.04.1
    4.15.0-1074.79~14.04.1
    4.15.0-1077.82~14.04.1
    4.15.0-1082.92~14.04.1
    4.15.0-1083.93~14.04.1
    4.15.0-1089.99~14.04.1
    4.15.0-1091.101~14.04.1
    4.15.0-1092.102~14.04.1
    4.15.0-1093.103~14.04.1
    4.15.0-1095.105~14.04.1
    4.15.0-1096.106~14.04.1
    4.15.0-1098.109~14.04.1
    4.15.0-1100.111~14.04.1
    4.15.0-1102.113~14.04.1
    4.15.0-1103.114~14.04.1
    4.15.0-1106.118~14.04.1
    4.15.0-1108.120~14.04.1
    4.15.0-1109.121~14.04.1
    4.15.0-1110.122~14.04.1
    4.15.0-1111.123~14.04.1
    4.15.0-1112.124~14.04.1
    4.15.0-1113.126~14.04.1
    4.15.0-1114.127~14.04.1
    4.15.0-1115.128~14.04.1
    4.15.0-1118.131~14.04.1
    4.15.0-1121.134~14.04.1
    4.15.0-1122.135~14.04.1
    4.15.0-1123.136~14.04.1
    4.15.0-1124.137~14.04.1
    4.15.0-1125.138~14.04.1
    4.15.0-1126.139~14.04.1
    4.15.0-1127.140~14.04.1
    4.15.0-1129.142~14.04.1
    4.15.0-1130.143~14.04.1
    4.15.0-1131.144~14.04.1
    4.15.0-1133.146~14.04.1
    4.15.0-1134.147~14.04.1
    4.15.0-1136.149~14.04.1
    4.15.0-1137.150~14.04.1
    4.15.0-1138.151~14.04.1
    4.15.0-1139.152~14.04.1
    4.15.0-1142.156~14.04.1
    4.15.0-1145.160~14.04.1
    4.15.0-1146.161~14.04.1
    4.15.0-1149.164~14.04.1
    4.15.0-1150.165~14.04.1
    4.15.0-1151.166~14.04.1
    4.15.0-1153.168~14.04.1
    4.15.0-1157.172~14.04.2
    4.15.0-1158.173~14.04.1
    4.15.0-1159.174~14.04.1
    4.15.0-1162.177~14.04.1
    4.15.0-1163.178~14.04.1
    4.15.0-1164.179~14.04.1
    4.15.0-1165.180~14.04.1
    4.15.0-1166.181~14.04.1
    4.15.0-1167.182~14.04.1
    4.15.0-1168.183~14.04.1
    4.15.0-1169.184~14.04.1
    4.15.0-1170.185~14.04.1
    4.15.0-1171.186~14.04.1
    4.15.0-1172.187~14.04.1
    4.15.0-1173.188~14.04.1
    4.15.0-1174.189~14.04.1
    4.15.0-1175.190~14.04.1
    4.15.0-1176.191~14.04.1
    4.15.0-1177.192~14.04.1
    4.15.0-1178.193~14.04.1
    4.15.0-1179.194~14.04.1
    4.15.0-1180.195~14.04.1
    4.15.0-1181.196~14.04.1
    4.15.0-1182.197~14.04.1
    4.15.0-1183.198~14.04.1
    4.15.0-1184.199~14.04.1
    4.15.0-1185.200~14.04.1
    4.15.0-1186.201~14.04.1
    4.15.0-1187.202~14.04.1
    4.15.0-1188.203~14.04.1
    4.15.0-1189.204~14.04.1
    4.15.0-1190.205~14.04.1
    4.15.0-1191.206~14.04.1
    4.15.0-1192.207~14.04.1
    4.15.0-1193.208~14.04.1
    4.15.0-1194.209~14.04.1
    4.15.0-1195.210~14.04.1
    4.15.0-1196.211~14.04.1
    4.15.0-1197.212~14.04.1
    4.15.0-1199.214~14.04.1
    4.15.0-1200.215~14.04.1
    4.15.0-1201.216~14.04.1
    4.15.0-1202.217~14.04.1
    4.15.0-1205.220~14.04.1
    4.15.0-1206.221~14.04.1
    4.15.0-1207.222~14.04.1
    4.15.0-1208.223~14.04.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2025-39730 | CVE-DB