CVE-2026-89641

In the Linux kernel, the following vulnerability has been resolved: cifs: clear tcon after cifsFileInfo_put() in cifs_file_set_size() When the else branch of cifs_file_set_size() finds a writable file handle via find_writable_file(), it borrows tcon and server from the handle's tlink, attempts the handle-based set_file_size() RPC, and then releases the handle with cifsFileInfo_put(). If set_file_size() fails, execution falls through to the path-based fallback, which reuses the borrowed tcon and server under the "if (tcon == NULL)" guard. Since tcon is not NULL at that point, the guard is skipped. If cifsFileInfo_put() dropped the last reference on a tlink that was already removed from the tlink tree (TCON_LINK_IN_TREE cleared, as happens during reconnection or session teardown), cifs_put_tlink() will have freed tcon; the subsequent set_path_size() call is then a use-after-free. Setting tcon = NULL after cifsFileInfo_put() causes the existing guard to take the cifs_sb_tlink() path, which acquires a fresh reference for the path-based operation or fails cleanly if the session is gone.

In the Linux kernel, the following vulnerability has been resolved: cifs: clear tcon after cifsFileInfo_put() in cifs_file_set_size() When the else branch of cifs_file_set_size() finds a writable file handle via find_writable_file(), it borrows tcon and server from the handle's tlink, attempts the handle-based set_file_size() RPC, and then releases the handle with cifsFileInfo_put(). If set_file_size() fails, execution falls through to the path-based fallback, which reuses the borrowed tcon and server under the "if (tcon == NULL)" guard. Since tcon is not NULL at that point, the guard is skipped. If cifsFileInfo_put() dropped the last reference on a tlink that was already removed from the tlink tree (TCON_LINK_IN_TREE cleared, as happens during reconnection or session teardown), cifs_put_tlink() will have freed tcon; the subsequent set_path_size() call is then a use-after-free. Setting tcon = NULL after cifsFileInfo_put() causes the existing guard to take the cifs_sb_tlink() path, which acquires a fresh reference for the path-based operation or fails cleanly if the session is gone.

• Bump kernel ABI to 30: ship the ELS kernel as 4.19.0-30-*, distinct from the prior 4.19.0-29.
• CVE-2021-3493
  • vfs: move cap_convert_nscap() call into vfs_setxattr() {CVE-2021-3493}
  • ecryptfs: fix uid translation for setxattr on security.capability {CVE-2021-3493}
• CVE-2025-23142
  • sctp: detect and prevent references to a freed transport in sendmsg {CVE-2025-23142}
• CVE-2025-38352
  • posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() {CVE-2025-38352}
• CVE-2025-39964
  • crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg {CVE-2025-39964}
• CVE-2026-52955
  • libceph: Fix potential out-of-bounds access in crush_decode() {CVE-2026-52955}
• CVE-2026-53091
  • net: account for encap headers in qdisc pkt len {CVE-2026-53091}
  • xfrm: Don't clobber inner headers when already set {CVE-2026-53091}
• CVE-2026-53266
  • netfilter: bridge: make ebt_snat ARP rewrite writable {CVE-2026-53266}
• CVE-2026-63814
  • f2fs: validate ACL entry sizes in f2fs_acl_from_disk() {CVE-2026-63814}
• CVE-2026-63815
  • f2fs: bound i_inline_xattr_size for non-inline-xattr inodes {CVE-2026-63815}
• CVE-2026-63922
  • ipv6: exthdrs: refresh nh after handling HAO option {CVE-2026-63922}
• CVE-2026-63962
  • usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() {CVE-2026-63962}
• CVE-2026-64001
  • ALSA: pcm: oss: Fix setup list UAF on proc write error {CVE-2026-64001}
• CVE-2026-64009
  • xfrm: Check for underflow in xfrm_state_mtu {CVE-2026-64009}
• CVE-2026-64011
  • nfc: llcp: Fix use-after-free in llcp_sock_release() {CVE-2026-64011}
• CVE-2026-64372
  • cpufreq: pcc: fix use-after-free and double free in _OSC evaluation {CVE-2026-64372}
• CVE-2026-64378
  • writeback, cgroup: increment isw_nr_in_flight before grabbing an inode {CVE-2026-64378}
  • writeback, cgroup: add smp_mb() to cgroup_writeback_umount() {CVE-2026-64378}
• CVE-2026-64381
  • smb: client: Fix next buffer leak in receive_encrypted_standard() {CVE-2026-64381}
• CVE-2026-64471
  • Bluetooth: btusb: fix use-after-free on registration failure {CVE-2026-64471}
• CVE-2026-64483
  • ALSA: firewire: isight: bound the sample count to the packet payload {CVE-2026-64483}
• CVE-2026-64504
  • iio: accel: bmc150: clamp the device-reported FIFO frame count {CVE-2026-64504}
• CVE-2026-64505
  • usb: gadget: function: rndis: add length check for header {CVE-2026-64505}
• CVE-2026-64541
  • net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket {CVE-2026-64541}
• CVE-2026-64543
  • tipc: fix use-after-free of the discoverer in tipc_disc_rcv() {CVE-2026-64543}
• CVE-2026-64546
  • drm/edid: fix OOB read in drm_parse_tiled_block() {CVE-2026-64546}
• CVE-2026-64563
  • rhashtable: clear stale iter->p on table restart {CVE-2026-64563}
• CVE-2026-64564
  • sctp: don't free the ASCONF's own transport in DEL-IP processing {CVE-2026-64564}
• CVE-2026-72389
  • bridge: stp: Fix a potential use-after-free when deleting a bridge {CVE-2026-72389}
• CVE-2026-74444
  • drm/vmwgfx: validate DRAW_PRIMITIVES header size before division {CVE-2026-74444}
• CVE-2026-74454
  • drm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size {CVE-2026-74454}
• CVE-2026-74469
  • sctp: prevent peer transport count overflow {CVE-2026-74469}
• CVE-2026-74479
  • net: pktgen: fix proc entry use-after-free {CVE-2026-74479}
• CVE-2026-74498
  • ALSA: usb-audio: Fix DMA buffer out-of-bounds write when fill_max is set {CVE-2026-74498}
• CVE-2026-74499
  • ALSA: usb-audio: fix OOB write in snd_usbmidi_akai_output() …

Upstream kernel 6.18.55 version fixes bugs and vulnerabilities. The kmod-xtables-addons, kmod-virtualbox, kmod-nvidia-current-wopengpu & drakx-installer-images packages have been updated to work with this new kernel.

Vanilla upstream kernel version 6.18.55 fixes vulnerabilities. For information about the vulnerabilities see the links.

These are all security issues fixed in the kernel-devel-7.2.7-1.1 package on the GA media of openSUSE Tumbleweed.

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:

• USB Gadget drivers;
• Memory management;
• Multiple devices driver;
• ARM64 architecture;
• EROFS file system;
• Networking core;
• eXpress Data Path;
• ARM32 architecture;
• M68K architecture;
• MIPS architecture;
• OpenRISC architecture;
• PA-RISC architecture;
• PowerPC architecture;
• RISC-V architecture;
• S390 architecture;
• User-Mode Linux (UML);
• x86 architecture;
• Block layer subsystem;
• Cryptographic API;
• Compute Acceleration Framework;
• Intel NPU Driver;
• Speakup Console Speech Driver;
• ACPI drivers;
• Serial ATA and Parallel ATA drivers;
• Auxiliary display drivers;
• Drivers core;
• Micron PCIe SSD driver;
• Null block device driver;
• Ublk userspace block driver;
• Compressed RAM block device driver;
• Bluetooth drivers;
• Bus devices;
• AMD CDX bus driver;
• Hardware random number generator core;
• Character device driver;
• TPM device driver;
• Clock framework and drivers;
• Clocksource drivers;
• CPU frequency scaling framework;
• CPU idle management framework;
• Hardware crypto device drivers;
• CXL (Compute Express Link) drivers;
• DAX dirext access to differentiated memory framework;
• DIBS (Direct Internal Buffer Sharing) drivers;
• Buffer Sharing and Synchronization framework;
• DMA engine subsystem;
• EDAC drivers;
• FireWire subsystem;
• ARM SCMI message protocol;
• ARM SCPI message protocol;
• Google firmware drivers;
• Qualcomm firmware drivers;
• FPGA Framework;
• GPIO subsystem;
• GPU drivers;
• HID subsystem;
• HSI subsystem;
• Microsoft Hyper-V drivers;
• Hardware monitoring drivers;
• CoreSight HW tracing drivers;
• I2C subsystem;
• I3C subsystem;
• IIO subsystem;
• InfiniBand drivers;
• Input Device core drivers;
• Input Device (Miscellaneous) drivers;
• Input Device (Mouse) drivers;
• On-Chip Interconnect management framework;
• IOMMU subsystem;
• Industry Pack bus drivers;
• IRQ chip drivers;
• Mailbox framework;
• Media drivers;
• MemoryStick subsystem;
• Multifunction device drivers;
• Analog Devices digital potentiometer driver;
• Broadcom VK accelerator driver;
• Fastrpc Driver;
• Amazon Nitro Secure Module driver;
• SGI GRU driver;
• MMC subsystem;
• MTD block device drivers;
• Network drivers;
• Ethernet bonding driver;
• Mellanox network drivers;
• Microsoft Azure Network Adapter (MANA) driver;
• STMicroelectronics network drivers;
• Texas Instruments network drivers;
• MediaTek network drivers;
• Near Field Communication (NFC) drivers;
• NTB driver;
• NVDIMM (Non-Volatile Memory Device) drivers;
• NVME drivers;
• Device tree and open firmware driver;
• Operating Performance Points (OPP) driver;
• PA-RISC drivers;
• PCI subsystem;
• Performance monitor drivers;
• PHY drivers;
• Pin controllers subsystem;
• Chrome hardware platform drivers;
• Mellanox platform drivers;
• Microsoft Surface platform drivers;
• x86 platform drivers;
• MediaTek PM domains;
• Power sequencing drivers;
• Power supply drivers;
• Powercap sysfs driver;
• PTP clock framework;
• PWM drivers;
• RapidIO drivers;
• Voltage and Current Regulator drivers;
• Remote Processor subsystem;
• MPAM driver;
• RPMSG subsystem;
• Real Time Clock drivers;
• S/390 drivers;
• SCSI subsystem;
• ASPEED SoC drivers;
• Samsung SoC drivers;
• SPI subsystem;
• small TFT LCD display modules;
• Greybus lights staging drivers;
• Media staging drivers;
• Realtek RTL8723BS SDIO drivers;
• TCM subsystem;
• Trusted Execution Environment drivers;
• Thermal drivers;
• Thunderbolt and USB4 drivers;
• TTY drivers;
• UFS subsystem;
• Userspace I/O drivers;
• USB DSL drivers;
• Cypress C67X00 USB…

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:

• USB Gadget drivers;
• Memory management;
• Multiple devices driver;
• ARM64 architecture;
• EROFS file system;
• Networking core;
• eXpress Data Path;
• ARM32 architecture;
• M68K architecture;
• MIPS architecture;
• OpenRISC architecture;
• PA-RISC architecture;
• PowerPC architecture;
• RISC-V architecture;
• S390 architecture;
• User-Mode Linux (UML);
• x86 architecture;
• Block layer subsystem;
• Cryptographic API;
• Compute Acceleration Framework;
• Intel NPU Driver;
• Speakup Console Speech Driver;
• ACPI drivers;
• Serial ATA and Parallel ATA drivers;
• Auxiliary display drivers;
• Drivers core;
• Micron PCIe SSD driver;
• Null block device driver;
• Ublk userspace block driver;
• Compressed RAM block device driver;
• Bluetooth drivers;
• Bus devices;
• AMD CDX bus driver;
• Hardware random number generator core;
• Character device driver;
• TPM device driver;
• Clock framework and drivers;
• Clocksource drivers;
• CPU frequency scaling framework;
• CPU idle management framework;
• Hardware crypto device drivers;
• CXL (Compute Express Link) drivers;
• DAX dirext access to differentiated memory framework;
• DIBS (Direct Internal Buffer Sharing) drivers;
• Buffer Sharing and Synchronization framework;
• DMA engine subsystem;
• EDAC drivers;
• FireWire subsystem;
• ARM SCMI message protocol;
• ARM SCPI message protocol;
• Google firmware drivers;
• Qualcomm firmware drivers;
• FPGA Framework;
• GPIO subsystem;
• GPU drivers;
• HID subsystem;
• HSI subsystem;
• Microsoft Hyper-V drivers;
• Hardware monitoring drivers;
• CoreSight HW tracing drivers;
• I2C subsystem;
• I3C subsystem;
• IIO subsystem;
• InfiniBand drivers;
• Input Device core drivers;
• Input Device (Miscellaneous) drivers;
• Input Device (Mouse) drivers;
• On-Chip Interconnect management framework;
• IOMMU subsystem;
• Industry Pack bus drivers;
• IRQ chip drivers;
• Mailbox framework;
• Media drivers;
• MemoryStick subsystem;
• Multifunction device drivers;
• Analog Devices digital potentiometer driver;
• Broadcom VK accelerator driver;
• Fastrpc Driver;
• Amazon Nitro Secure Module driver;
• SGI GRU driver;
• MMC subsystem;
• MTD block device drivers;
• Network drivers;
• Ethernet bonding driver;
• Mellanox network drivers;
• Microsoft Azure Network Adapter (MANA) driver;
• STMicroelectronics network drivers;
• Texas Instruments network drivers;
• MediaTek network drivers;
• Near Field Communication (NFC) drivers;
• NTB driver;
• NVDIMM (Non-Volatile Memory Device) drivers;
• NVME drivers;
• Device tree and open firmware driver;
• Operating Performance Points (OPP) driver;
• PA-RISC drivers;
• PCI subsystem;
• Performance monitor drivers;
• PHY drivers;
• Pin controllers subsystem;
• Chrome hardware platform drivers;
• Mellanox platform drivers;
• Microsoft Surface platform drivers;
• x86 platform drivers;
• MediaTek PM domains;
• Power sequencing drivers;
• Power supply drivers;
• Powercap sysfs driver;
• PTP clock framework;
• PWM drivers;
• RapidIO drivers;
• Voltage and Current Regulator drivers;
• Remote Processor subsystem;
• MPAM driver;
• RPMSG subsystem;
• Real Time Clock drivers;
• S/390 drivers;
• SCSI subsystem;
• ASPEED SoC drivers;
• Samsung SoC drivers;
• SPI subsystem;
• small TFT LCD display modules;
• Greybus lights staging drivers;
• Media staging drivers;
• Realtek RTL8723BS SDIO drivers;
• TCM subsystem;
• Trusted Execution Environment drivers;
• Thermal drivers;
• Thunderbolt and USB4 drivers;
• TTY drivers;
• UFS subsystem;
• Userspace I/O drivers;
• USB DSL drivers;
• Cypress C67X00 USB…