CLSA-2025-1766617167 kernel: Fix of 27 CVEs

xfrm: Duplicate SPI Handling CVE-2025-39965 - xfrm: state: use atomicincnotzero to increment refcount - padata: Fix pd UAF once and for all CVE-2025-38584 - padata: Remove broken queue flushing CVE-2023-52854 - padata: ensure padatadoserial runs on the correct CPU - Bluetooth: L2CAP: Fix...

CVE-2025-68750

In the Linux kernel, the following vulnerability has been resolved: usb: potential integer overflow in usbgmaketpg The variable tpgt in usbgmaketpg is defined as unsigned long and is assigned to tpgt-tporttpgt, which is defined as u16. This may cause an integer overflow when tpgt is greater than...

CVE-2025-68750

CVE-2025-68750 : In the Linux kernel, a potential integer overflow existed in usb/ usbg_make_tpg() where a tpgt value (unsigned long) could overflow when assigned to tpgt->tport_tpgt (u16). The fix changes tpgt’s type to match tpgt->tport_tpgt to avoid overflow. Connected advisories corrobo...

EUVD-2022-55794

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufxopsdestroy function to .fbdestroy of fbops, and in this function, there is krefput that finally calls...

CVE-2023-54159

In the Linux kernel, the following vulnerability has been resolved: usb: mtu3: fix kernel panic at qmu transfer done irq handler When handle qmu transfer irq, it will unlock @mtu-lock before give back request, if another thread handle disconnect event at the same time, and try to disable ep, it m...

CVE-2022-50767

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufxopsdestroy function to .fbdestroy of fbops, and in this function, there is krefput that finally calls...

CVE-2022-50755

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double brelse in udfrename syzbot reported a warning like below 1: VFS: brelse: Trying to free free buffer WARNING: CPU: 2 PID: 7301 at fs/buffer.c:1145 brelse+0x67/0xa0 ... Call Trace: invalidatebhlru+0x99/0x150...

CVE-2022-50755

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double brelse in udfrename syzbot reported a warning like below 1: VFS: brelse: Trying to free free buffer WARNING: CPU: 2 PID: 7301 at fs/buffer.c:1145 brelse+0x67/0xa0 ... Call Trace: invalidatebhlru+0x99/0x150...

UBUNTU-CVE-2022-50767

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufxopsdestroy function to .fbdestroy of fbops, and in this function, there is krefput that finally calls...

CVE-2022-50740

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hifusb: fix memory leak of urbs in ath9khifusbdealloctxurbs Syzkaller reports a long-known leak of urbs in ath9khifusbdealloctxurbs. The cause of the leak is that usbgeturb is called but usbfreeurb or usbputurb is no...

UBUNTU-CVE-2022-50733

In the Linux kernel, the following vulnerability has been resolved: usb: idmouse: fix an uninit-value in idmouseopen In idmousecreateimage, if any ftipcommand fails, it will go to the reset label. However, this leads to the data in bulkinbufferHEADER..IMGSIZE uninitialized. And the check for vali...

CVE-2022-50767 fbdev: smscufx: Fix several use-after-free bugs

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufxopsdestroy function to .fbdestroy of fbops, and in this function, there is krefput that finally calls...

CVE-2022-50755 udf: Avoid double brelse() in udf_rename()

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double brelse in udfrename syzbot reported a warning like below 1: VFS: brelse: Trying to free free buffer WARNING: CPU: 2 PID: 7301 at fs/buffer.c:1145 brelse+0x67/0xa0 ... Call Trace: invalidatebhlru+0x99/0x150...

CVE-2022-50740

CVE-2022-50740 is referenced in multiple advisories as a Linux kernel vulnerability affecting the wifi/ath9k driver (hif_usb) where a memory leak of urbs occurs in ath9k_hif_usb_dealloc_tx_urbs(). The root cause is that usb_get_urb() is followed by usb_free_urb()/usb_put_urb() not being called in...

CVE-2022-50704

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix use-after-free during usb config switch In the process of switching USB config from rndis to other config, if the hardware does not support the -pullup callback, or the hardware encounters a low probability fault...

CVE-2023-54022

CVE-2023-54022: In the Linux kernel, ALSA usb-audio: Fix potential memory leaks at error path for UMP open. The issue arose because free_midi_urbs() only iterated ep->num_urbs while ep->num_entries hadn’t been updated during allocation/init errors in alloc_midi_urbs(), allowing leaked eleme...

CVE-2023-54022 ALSA: usb-audio: Fix potential memory leaks at error path for UMP open

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential memory leaks at error path for UMP open The allocation and initialization errors at allocmidiurbs that is called at MIDI 2.0 / UMP device are supposed to be handled at the caller side by invoking...

CVE-2022-50704 USB: gadget: Fix use-after-free during usb config switch

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix use-after-free during usb config switch In the process of switching USB config from rndis to other config, if the hardware does not support the -pullup callback, or the hardware encounters a low probability fault...

PT-2025-52979

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s ALSA subsystem related to USB audio handling. Specifically, the issue involves potential memory leaks within the error handling path during the openin...

PT-2025-53106

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a memory leak in the ath9k High-Speed USB HIF USB driver, specifically within the ath9k hif usb dealloc tx urbs function. The issue stems from a failure to...