USN-7875-1

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this to expose sensitive information from the host OS. (CVE-2025-40300)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - DMA engine subsystem; - GPU drivers; - HSI subsystem; - Media drivers; - Ethernet team driver; - SPI subsystem; - USB core drivers; - Framebuffer layer; - BTRFS file system; - Ext4 file system; - Network file system (NFS) server daemon; - NILFS2 file system; - Timer subsystem; - DCCP (Datagram Congestion Control Protocol); - IPv6 networking; - NET/ROM layer; - Packet sockets; - Network traffic control; - SCTP protocol; - VMware vSockets driver; - USB sound devices; (CVE-2023-52477, CVE-2023-52574, CVE-2023-52650, CVE-2024-27074, CVE-2024-35849, CVE-2024-41006, CVE-2024-47685, CVE-2024-49924, CVE-2024-50006, CVE-2024-50051, CVE-2024-50202, CVE-2024-50299, CVE-2024-53124, CVE-2024-53130, CVE-2024-53131, CVE-2024-53150, CVE-2024-56767, CVE-2024-57996, CVE-2025-21796, CVE-2025-37752, CVE-2025-37785, CVE-2025-37838, CVE-2025-38350, CVE-2025-38352, CVE-2025-38477, CVE-2025-38617, CVE-2025-38618)

References

https://ubuntu.com/security/notices/USN-7875-1

Affected packages

Ubuntu:Pro:16.04:LTS / linux-oracle

Package

Name: linux-oracle
Purl: pkg:deb/ubuntu/linux-oracle@4.15.0-1148.159~16.04.1?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.15.0-1148.159~16.04.1

Affected versions

4.*

4.15.0-1007.9~16.04.1

4.15.0-1008.10~16.04.1

4.15.0-1009.11~16.04.1

4.15.0-1010.12~16.04.1

4.15.0-1011.13~16.04.1

4.15.0-1013.15~16.04.1

4.15.0-1014.16~16.04.1

4.15.0-1015.17~16.04.1

4.15.0-1017.19~16.04.2

4.15.0-1018.20~16.04.1

4.15.0-1021.23~16.04.1

4.15.0-1022.25~16.04.1

4.15.0-1023.26~16.04.1

4.15.0-1025.28~16.04.1

4.15.0-1026.29~16.04.1

4.15.0-1027.30~16.04.1

4.15.0-1029.32~16.04.1

4.15.0-1030.33~16.04.1

4.15.0-1031.34~16.04.1

4.15.0-1033.36~16.04.1

4.15.0-1035.38~16.04.1

4.15.0-1037.41~16.04.1

4.15.0-1038.42~16.04.1

4.15.0-1039.43~16.04.1

4.15.0-1045.49~16.04.1

4.15.0-1046.50~16.04.1

4.15.0-1050.54~16.04.1

4.15.0-1051.55~16.04.1

4.15.0-1053.57~16.04.1

4.15.0-1054.58~16.04.1

4.15.0-1056.61~16.04.1

4.15.0-1058.64~16.04.1

4.15.0-1059.65~16.04.1

4.15.0-1061.67~16.04.1

4.15.0-1062.68~16.04.1

4.15.0-1064.71~16.04.1

4.15.0-1065.73~16.04.1

4.15.0-1066.74~16.04.1

4.15.0-1067.75~16.04.1

4.15.0-1068.76~16.04.1

4.15.0-1069.77~16.04.1

4.15.0-1070.78~16.04.1

4.15.0-1071.79~16.04.1

4.15.0-1072.80~16.04.1

4.15.0-1075.83~16.04.1

4.15.0-1078.86~16.04.1

4.15.0-1079.87~16.04.1

4.15.0-1080.88~16.04.1

4.15.0-1081.89~16.04.1

4.15.0-1082.90~16.04.1

4.15.0-1083.91~16.04.1

4.15.0-1084.92~16.04.1

4.15.0-1085.93~16.04.1

4.15.0-1086.94~16.04.1

4.15.0-1087.95~16.04.1

4.15.0-1089.98~16.04.1

4.15.0-1090.99~16.04.1

4.15.0-1091.100~16.04.1

4.15.0-1092.101~16.04.1

4.15.0-1093.102~16.04.1

4.15.0-1095.104~16.04.1

4.15.0-1098.108~16.04.1

4.15.0-1101.112~16.04.1

4.15.0-1102.113~16.04.1

4.15.0-1104.115~16.04.1

4.15.0-1105.116~16.04.1

4.15.0-1106.117~16.04.1

4.15.0-1107.118~16.04.1

4.15.0-1108.119~16.04.1

4.15.0-1111.122~16.04.2

4.15.0-1112.123~16.04.1

4.15.0-1113.124~16.04.1

4.15.0-1115.126~16.04.1

4.15.0-1116.127~16.04.1

4.15.0-1117.128~16.04.1

4.15.0-1118.129~16.04.1

4.15.0-1119.130~16.04.1

4.15.0-1120.131~16.04.1

4.15.0-1121.132~16.04.1

4.15.0-1122.133~16.04.1

4.15.0-1123.134~16.04.1

4.15.0-1124.135~16.04.1

4.15.0-1125.136~16.04.1

4.15.0-1126.137~16.04.1

4.15.0-1127.138~16.04.1

4.15.0-1128.139~16.04.1

4.15.0-1129.140~16.04.1

4.15.0-1130.141~16.04.1

4.15.0-1131.142~16.04.1

4.15.0-1132.143~16.04.1

4.15.0-1133.144~16.04.1

4.15.0-1134.145~16.04.1

4.15.0-1135.146~16.04.1

4.15.0-1136.147~16.04.1

4.15.0-1137.148~16.04.1

4.15.0-1138.149~16.04.1

4.15.0-1139.150~16.04.1

4.15.0-1140.151~16.04.1

4.15.0-1141.152~16.04.1

4.15.0-1142.153~16.04.1

4.15.0-1143.154~16.04.1

4.15.0-1144.155~16.04.1

4.15.0-1145.156~16.04.1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "linux-buildinfo-4.15.0-1148-oracle",
            "binary_version": "4.15.0-1148.159~16.04.1"
        },
        {
            "binary_name": "linux-headers-4.15.0-1148-oracle",
            "binary_version": "4.15.0-1148.159~16.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-4.15.0-1148-oracle",
            "binary_version": "4.15.0-1148.159~16.04.1"
        },
        {
            "binary_name": "linux-modules-4.15.0-1148-oracle",
            "binary_version": "4.15.0-1148.159~16.04.1"
        },
        {
            "binary_name": "linux-modules-extra-4.15.0-1148-oracle",
            "binary_version": "4.15.0-1148.159~16.04.1"
        },
        {
            "binary_name": "linux-oracle-headers-4.15.0-1148",
            "binary_version": "4.15.0-1148.159~16.04.1"
        },
        {
            "binary_name": "linux-oracle-tools-4.15.0-1148",
            "binary_version": "4.15.0-1148.159~16.04.1"
        },
        {
            "binary_name": "linux-tools-4.15.0-1148-oracle",
            "binary_version": "4.15.0-1148.159~16.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7875-1.json"