USN-8597-1: Linux kernel (IBM) vulnerabilities

Published Jul 23, 2026
·
Updated

Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose sensitive information (kernel memory). (CVE-2023-45896)

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. (CVE-2025-54505)

It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. A local attacker could possibly use this issue to corrupt instructions executed at a higher privilege level, resulting in privilege escalation. (CVE-2025-54518)

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: - ARM64 architecture; - PowerPC architecture; - S390 architecture; - x86 architecture; - Cryptographic API; - ACPI drivers; - ATM drivers; - Power management core; - DRBD Distributed Replicated Block Device drivers; - RNBD block device driver; - Bluetooth drivers; - Character device driver; - TPM device driver; - Clocksource drivers; - Data acquisition framework and drivers; - CPU idle management framework; - Hardware crypto device drivers; - DMA engine subsystem; - EFI core; - GPIO subsystem; - GPU drivers; - HID subsystem; - Hardware monitoring drivers; - I2C subsystem; - IIO ADC drivers; - IIO subsystem; - InfiniBand drivers; - IOMMU subsystem; - Mailbox framework; - Multiple devices driver; - Media drivers; - MediaTek SMI driver; - IBM Advanced System Management driver; - MMC subsystem; - MTD block device drivers; - Network drivers; - Ethernet bonding driver; - Mellanox network drivers; - Microsoft Azure Network Adapter (MANA) driver; - STMicroelectronics network drivers; - Near Field Communication (NFC) drivers; - NTB driver; - NVME drivers; - PCI subsystem; - x86 platform drivers; - Broadcom BCM2835 power domain driver; - Power supply drivers; - RapidIO drivers; - Remote Processor subsystem; - RPMSG subsystem; - SCSI subsystem; - Freescale SoC drivers; - Texas Instruments SoC drivers; - SPI subsystem; - Greybus lights staging drivers; - Media staging drivers; - Realtek RTL8723BS SDIO drivers; - SM750 framebuffer staging driver; - TCM subsystem; - TTY drivers; - UFS subsystem; - Cadence USB3 driver; - USB Device Class drivers; - ULPI bus; - USB core drivers; - DesignWare USB2 driver; - USB Gadget drivers; - USB Host Controller drivers; - Mustek MDC800 USB digital camera driver; - USB YUREX driver; - Framebuffer layer; - File systems infrastructure; - BTRFS file system; - Ceph distributed file system; - EROFS file system; - Ext4 file system; - F2FS file system; - FAT file system; - FUSE (File system in Userspace); - GFS2 file system; - HFS+ file system; - JFS file system; - Network file system (NFS) server daemon; - NILFS2 file system; - File system notification infrastructure; - NTFS3 file system; - OCFS2 file system; - Proc file system; - Pstore file system; - SMB network file system; - SquashFS file system; - XFS file system; - Audit subsystem; - RAS (Reliability, Availability, Serviceability) subsystem; - CPU frequency scaling framework; - Memory Management; - KVM subsystem; - Memory management; - Network traffic control; - Netfilter; - IP tunnels definitions; - Tracing infrastructure; - User-space API (UAPI); - iouring subsystem; - BPF subsystem; - Control group (cgroup); - Kernel fork() syscall; - Kernel futex primitives; - Kernel kexec() syscall; - Kernel module support; - Scheduler infrastructure; - Cryptographic library; - Asynchronous Transfer Mode (ATM) subsystem; - B.A.T.M.A.N. meshing protocol; - Bluetooth subsystem; - Ethernet bridge; - CAIF protocol; - CAN network layer; - Ceph Core library; - Networking core; - IPv4 networking; - IPv6 networking; - XFRM subsystem; - L2TP protocol; - MAC80211 subsystem; - Management Component Transport Protocol (MCTP); - Multipath TCP; - NCSI (Network Controller Sideband Interface) driver; - NFC subsystem; - Open vSwitch; - Qualcomm IPC Router (QRTR); - RDS protocol; - RF switch subsystem; - Rose network layer; - RxRPC session sockets; - SCTP protocol; - SMC sockets; - Stream parser; - Sun RPC protocol; - TIPC protocol; - Unix domain sockets; - VMware vSockets driver; - Wireless networking; - X.25 network layer; - eXpress Data Path; - AppArmor security module; - ALSA framework; - FireWire sound drivers; - Creative Sound Blaster X-Fi driver; - SoC audio core drivers; - USB sound devices; (CVE-2022-49803, CVE-2022-49961, CVE-2022-50073, CVE-2022-50116, CVE-2023-52682, CVE-2023-52737, CVE-2023-53545, CVE-2023-53629, CVE-2024-27389, CVE-2024-35865, CVE-2024-36898, CVE-2024-36922, CVE-2024-41079, CVE-2024-46715, CVE-2024-46770, CVE-2024-47809, CVE-2024-50012, CVE-2024-53221, CVE-2024-56557, CVE-2024-56584, CVE-2024-56657, CVE-2024-56719, CVE-2024-56727, CVE-2025-21712, CVE-2025-22107, CVE-2025-23141, CVE-2025-38006, CVE-2025-38105, CVE-2025-38192, CVE-2025-38562, CVE-2025-38626, CVE-2025-38659, CVE-2025-38710, CVE-2025-39748, CVE-2025-39764, CVE-2025-40005, CVE-2025-40016, CVE-2025-40103, CVE-2025-40323, CVE-2025-68206, CVE-2025-68239, CVE-2025-68256, CVE-2025-68307, CVE-2025-68358, CVE-2025-71150, CVE-2025-71161, CVE-2025-71221, CVE-2025-71232, CVE-2025-71233, CVE-2025-71235, CVE-2025-71236, CVE-2025-71237, CVE-2025-71238, CVE-2025-71239, CVE-2025-71265, CVE-2025-71266, CVE-2025-71267, CVE-2025-71274, CVE-2025-71287, CVE-2025-71292, CVE-2026-23031, CVE-2026-23066, CVE-2026-23100, CVE-2026-23113, CVE-2026-23141, CVE-2026-23157, CVE-2026-23169, CVE-2026-23204, CVE-2026-23220, CVE-2026-23222, CVE-2026-23227, CVE-2026-23228, CVE-2026-23229, CVE-2026-23235, CVE-2026-23236, CVE-2026-23237, CVE-2026-23238, CVE-2026-23241, CVE-2026-23242, CVE-2026-23243, CVE-2026-23253, CVE-2026-23266, CVE-2026-23270, CVE-2026-23277, CVE-2026-23279, CVE-2026-23281, CVE-2026-23286, CVE-2026-23289, CVE-2026-23290, CVE-2026-23291, CVE-2026-23293, CVE-2026-23296, CVE-2026-23298, CVE-2026-23300, CVE-2026-23303, CVE-2026-23304, CVE-2026-23307, CVE-2026-23312, CVE-2026-23318, CVE-2026-23324, CVE-2026-23335, CVE-2026-23339, CVE-2026-23340, CVE-2026-23352, CVE-2026-23356, CVE-2026-23357, CVE-2026-23362, CVE-2026-23365, CVE-2026-23367, CVE-2026-23368, CVE-2026-23370, CVE-2026-23372, CVE-2026-23379, CVE-2026-23381, CVE-2026-23382, CVE-2026-23388, CVE-2026-23391, CVE-2026-23392, CVE-2026-23395, CVE-2026-23396, CVE-2026-23397, CVE-2026-23398, CVE-2026-23399, CVE-2026-23401, CVE-2026-23420, CVE-2026-23434, CVE-2026-23438, CVE-2026-23439, CVE-2026-23442, CVE-2026-23446, CVE-2026-23452, CVE-2026-23454, CVE-2026-23456, CVE-2026-23457, CVE-2026-23458, CVE-2026-23460, CVE-2026-23462, CVE-2026-23463, CVE-2026-23474, CVE-2026-31393, CVE-2026-31400, CVE-2026-31405, CVE-2026-31407, CVE-2026-31408, CVE-2026-31409, CVE-2026-31411, CVE-2026-31415, CVE-2026-31416, CVE-2026-31417, CVE-2026-31421, CVE-2026-31422, CVE-2026-31423, CVE-2026-31424, CVE-2026-31425, CVE-2026-31427, CVE-2026-31428, CVE-2026-31433, CVE-2026-31447, CVE-2026-31450, CVE-2026-31452, CVE-2026-31454, CVE-2026-31466, CVE-2026-31467, CVE-2026-31469, CVE-2026-31473, CVE-2026-31476, CVE-2026-31480, CVE-2026-31483, CVE-2026-31494, CVE-2026-31495, CVE-2026-31497, CVE-2026-31498, CVE-2026-31507, CVE-2026-31509, CVE-2026-31510, CVE-2026-31512, CVE-2026-31515, CVE-2026-31518, CVE-2026-31521, CVE-2026-31522, CVE-2026-31523, CVE-2026-31524, CVE-2026-31532, CVE-2026-31540, CVE-2026-31545, CVE-2026-31546, CVE-2026-31549, CVE-2026-31550, CVE-2026-31551, CVE-2026-31555, CVE-2026-31565, CVE-2026-31577, CVE-2026-31578, CVE-2026-31581, CVE-2026-31585, CVE-2026-31586, CVE-2026-31588, CVE-2026-31590, CVE-2026-31594, CVE-2026-31596, CVE-2026-31597, CVE-2026-31598, CVE-2026-31599, CVE-2026-31602, CVE-2026-31603, CVE-2026-31605, CVE-2026-31615, CVE-2026-31616, CVE-2026-31617, CVE-2026-31618, CVE-2026-31619, CVE-2026-31622, CVE-2026-31623, CVE-2026-31624, CVE-2026-31625, CVE-2026-31626, CVE-2026-31627, CVE-2026-31628, CVE-2026-31629, CVE-2026-31630, CVE-2026-31634, CVE-2026-31642, CVE-2026-31651, CVE-2026-31656, CVE-2026-31658, CVE-2026-31660, CVE-2026-31661, CVE-2026-31662, CVE-2026-31664, CVE-2026-31665, CVE-2026-31670, CVE-2026-31671, CVE-2026-31672, CVE-2026-31673, CVE-2026-31674, CVE-2026-31676, CVE-2026-31679, CVE-2026-31680, CVE-2026-31681, CVE-2026-31683, CVE-2026-31684, CVE-2026-31687, CVE-2026-31694, CVE-2026-31695, CVE-2026-31696, CVE-2026-31697, CVE-2026-31698, CVE-2026-31699, CVE-2026-31701, CVE-2026-31716, CVE-2026-31720, CVE-2026-31721, CVE-2026-31726, CVE-2026-31728, CVE-2026-31737, CVE-2026-31738, CVE-2026-31749, CVE-2026-31751, CVE-2026-31752, CVE-2026-31754, CVE-2026-31755, CVE-2026-31756, CVE-2026-31758, CVE-2026-31759, CVE-2026-31762, CVE-2026-31763, CVE-2026-31770, CVE-2026-31773, CVE-2026-31778, CVE-2026-31780, CVE-2026-31781, CVE-2026-43014, CVE-2026-43024, CVE-2026-43026, CVE-2026-43028, CVE-2026-43030, CVE-2026-43032, CVE-2026-43035, CVE-2026-43040, CVE-2026-43041, CVE-2026-43043, CVE-2026-43046, CVE-2026-43047, CVE-2026-43050, CVE-2026-43051, CVE-2026-43052, CVE-2026-43054, CVE-2026-43058, CVE-2026-43060, CVE-2026-43061, CVE-2026-43062, CVE-2026-43065, CVE-2026-43066, CVE-2026-43068, CVE-2026-43069, CVE-2026-43074, CVE-2026-43075, CVE-2026-43076, CVE-2026-43079, CVE-2026-43080, CVE-2026-43085, CVE-2026-43089, CVE-2026-43093, CVE-2026-43098, CVE-2026-43099, CVE-2026-43103, CVE-2026-43104, CVE-2026-43105, CVE-2026-43110, CVE-2026-43111, CVE-2026-43113, CVE-2026-43123, CVE-2026-43124, CVE-2026-43130, CVE-2026-43132, CVE-2026-43134, CVE-2026-43135, CVE-2026-43136, CVE-2026-43139, CVE-2026-43140, CVE-2026-43141, CVE-2026-43145, CVE-2026-43147, CVE-2026-43148, CVE-2026-43149, CVE-2026-43152, CVE-2026-43156, CVE-2026-43158, CVE-2026-43159, CVE-2026-43163, CVE-2026-43168, CVE-2026-43171, CVE-2026-43182, CVE-2026-43183, CVE-2026-43184, CVE-2026-43187, CVE-2026-43190, CVE-2026-43194, CVE-2026-43196, CVE-2026-43200, CVE-2026-43202, CVE-2026-43203, CVE-2026-43206, CVE-2026-43209, CVE-2026-43218, CVE-2026-43223, CVE-2026-43225, CVE-2026-43226, CVE-2026-43227, CVE-2026-43230, CVE-2026-43231, CVE-2026-43233, CVE-2026-43236, CVE-2026-43241, CVE-2026-43242, CVE-2026-43246, CVE-2026-43251, CVE-2026-43255, CVE-2026-43257, CVE-2026-43261, CVE-2026-43262, CVE-2026-43264, CVE-2026-43266, CVE-2026-43268, CVE-2026-43269, CVE-2026-43270, CVE-2026-43273, CVE-2026-43275, CVE-2026-43277, CVE-2026-43279, CVE-2026-43281, CVE-2026-43287, CVE-2026-43289, CVE-2026-43295, CVE-2026-43296, CVE-2026-43302, CVE-2026-43312, CVE-2026-43313, CVE-2026-43314, CVE-2026-43315, CVE-2026-43316, CVE-2026-43327, CVE-2026-43329, CVE-2026-43333, CVE-2026-43334, CVE-2026-43336, CVE-2026-43339, CVE-2026-43340, CVE-2026-43342, CVE-2026-43343, CVE-2026-43357, CVE-2026-43363, CVE-2026-43365, CVE-2026-43370, CVE-2026-43373, CVE-2026-43381, CVE-2026-43382, CVE-2026-43386, CVE-2026-43387, CVE-2026-43405, CVE-2026-43411, CVE-2026-43420, CVE-2026-43425, CVE-2026-43427, CVE-2026-43428, CVE-2026-43429, CVE-2026-43430, CVE-2026-43432, CVE-2026-43439, CVE-2026-43445, CVE-2026-43449, CVE-2026-43450, CVE-2026-43451, CVE-2026-43452, CVE-2026-43453, CVE-2026-43459, CVE-2026-43466, CVE-2026-43469, CVE-2026-43472, CVE-2026-43473, CVE-2026-43475, CVE-2026-43476, CVE-2026-43496, CVE-2026-43502, CVE-2026-45834, CVE-2026-45835, CVE-2026-45836, CVE-2026-45839, CVE-2026-45840, CVE-2026-45842, CVE-2026-45843, CVE-2026-45846, CVE-2026-45847, CVE-2026-45848, CVE-2026-45852, CVE-2026-45856, CVE-2026-45857, CVE-2026-45860, CVE-2026-45864, CVE-2026-45873, CVE-2026-45890, CVE-2026-45891, CVE-2026-45899, CVE-2026-45902, CVE-2026-45904, CVE-2026-45912, CVE-2026-45915, CVE-2026-45916, CVE-2026-45919, CVE-2026-45920, CVE-2026-45924, CVE-2026-45935, CVE-2026-45936, CVE-2026-45941, CVE-2026-45946, CVE-2026-45948, CVE-2026-45954, CVE-2026-45956, CVE-2026-45958, CVE-2026-45960, CVE-2026-45964, CVE-2026-45965, CVE-2026-45968, CVE-2026-45969, CVE-2026-45970, CVE-2026-45974, CVE-2026-45978, CVE-2026-45983, CVE-2026-45984, CVE-2026-45985, CVE-2026-45986, CVE-2026-45987, CVE-2026-45994, CVE-2026-46002, CVE-2026-46004, CVE-2026-46006, CVE-2026-46009, CVE-2026-46015, CVE-2026-46018, CVE-2026-46019, CVE-2026-46022, CVE-2026-46023, CVE-2026-46024, CVE-2026-46027, CVE-2026-46033, CVE-2026-46037, CVE-2026-46040, CVE-2026-46044, CVE-2026-46046, CVE-2026-46047, CVE-2026-46049, CVE-2026-46050, CVE-2026-46051, CVE-2026-46053, CVE-2026-46062, CVE-2026-46064, CVE-2026-46070, CVE-2026-46072, CVE-2026-46077, CVE-2026-46080, CVE-2026-46082, CVE-2026-46088, CVE-2026-46098, CVE-2026-46099, CVE-2026-46101, CVE-2026-46102, CVE-2026-46107, CVE-2026-46108, CVE-2026-46112, CVE-2026-46120, CVE-2026-46122, CVE-2026-46123, CVE-2026-46124, CVE-2026-46127, CVE-2026-46128, CVE-2026-46132, CVE-2026-46133, CVE-2026-46137, CVE-2026-46146, CVE-2026-46149, CVE-2026-46150, CVE-2026-46151, CVE-2026-46161, CVE-2026-46163, CVE-2026-46167, CVE-2026-46168, CVE-2026-46172, CVE-2026-46174, CVE-2026-46177, CVE-2026-46178, CVE-2026-46184, CVE-2026-46186, CVE-2026-46187, CVE-2026-46189, CVE-2026-46197, CVE-2026-46198, CVE-2026-46205, CVE-2026-46206, CVE-2026-46209, CVE-2026-46212, CVE-2026-46214, CVE-2026-46219, CVE-2026-46220, CVE-2026-46227, CVE-2026-46230, CVE-2026-46231, CVE-2026-46233, CVE-2026-46234, CVE-2026-46236, CVE-2026-46238, CVE-2026-46259, CVE-2026-46273, CVE-2026-46274, CVE-2026-46275, CVE-2026-46303, CVE-2026-46304, CVE-2026-46319)

Affected Software

7 affected componentsFixes available
All of the following
ubuntu/linux-image-5.15.0-1106-ibm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-ibm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-ibm-5.15<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
ubuntu/linux-ibm-5.15<5.15.0-1106.110~20.04.1
5.15.0-1106.110~20.04.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-5.15.0-1106-ibm to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  2. Upgrade

    Upgrade ubuntu/linux-image-ibm to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  3. Upgrade

    Upgrade ubuntu/linux-image-ibm-5.15 to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  4. Upgrade

    Upgrade ubuntu/linux-ibm-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1106.110~20.04.1
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch USN-8597-1

Event History

Jul 23, 2026
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software
Advisory Published
via OSV·08:29 AM
Data Sourced
via OSV·08:29 AM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

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