EUVD-2025-201623

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bitputcs bitputcsaligned/unaligned derived the glyph pointer from the character value masked by 0xff/0x1ff, which may exceed the actual font's glyph count and read past the end of the...

DEBIAN-CVE-2025-40322

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bitputcs bitputcsaligned/unaligned derived the glyph pointer from the character value masked by 0xff/0x1ff, which may exceed the actual font's glyph count and read past the end of the...

UBUNTU-CVE-2025-40322

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bitputcs bitputcsaligned/unaligned derived the glyph pointer from the character value masked by 0xff/0x1ff, which may exceed the actual font's glyph count and read past the end of the...

PT-2026-37549

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The fs/minix implementation of the minix filesystem lacks necessary sanity checking in the minix check superblock function. Specifically, it does not support any value for s log zone siz...

CVE-2025-40322: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bitputcs bitputcsaligned/unaligned derived the glyph pointer from the character value masked by 0xff/0x1ff, which may exceed the actual font's glyph count and read past the end of the...

CVE-2025-40280

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcmonreinitself. syzbot reported use-after-free of tipcnetnet-monitors in tipcmonreinitself. 0 The array is protected by RTNL, but tipcmonreinitself iterates over it without RTNL. tipcmonreinitself i...

CVE-2025-40278

In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel-infoleak Fix a KMSAN kernel-infoleak detected by the syzbot . net? KMSAN: kernel-infoleak in skbdatagramiter In tcfifedump, the variable 'opt' was partially...

DEBIAN-CVE-2025-40280

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcmonreinitself. syzbot reported use-after-free of tipcnetnet-monitors in tipcmonreinitself. 0 The array is protected by RTNL, but tipcmonreinitself iterates over it without RTNL. tipcmonreinitself i...

UBUNTU-CVE-2025-40278

In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel-infoleak Fix a KMSAN kernel-infoleak detected by the syzbot . net? KMSAN: kernel-infoleak in skbdatagramiter In tcfifedump, the variable 'opt' was partially...

CVE-2025-40269: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential overflow of PCM transfer buffer The PCM stream data in USB-audio driver is transferred over USB URB packet buffers, and each packet size is determined dynamically. The packet sizes are limited by so...

CVE-2025-40223 most: usb: Fix use-after-free in hdm_disconnect

In the Linux kernel, the following vulnerability has been resolved: most: usb: Fix use-after-free in hdmdisconnect hdmdisconnect calls mostderegisterinterface, which eventually unregisters the MOST interface device with deviceunregisteriface-dev. If that drops the last reference, the device core...

kernel: HID: core: Harden s32ton() against conversion to 0 bits

In the Linux kernel, the following vulnerability has been resolved: HID: core: Harden s32ton against conversion to 0 bits Testing by the syzbot fuzzer showed that the HID core gets a shift-out-of-bounds exception when it tries to convert a 32-bit quantity to a 0-bit quantity. Ideally this should...

PT-2025-52891

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists in the Linux kernel’s BPF Berkeley Packet Filter implementation related to exclusive maps. Specifically, when excl prog hash is zero and excl prog hash size is...

PT-2025-51632

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a memory leak in the CIFS implementation, specifically within the smb3 fs context parse param function. The issue arises when processing Opt source mount option...

LSN-0116-1: Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: net: atlantic: eliminate double free in error handling logic Driver has a logic leak in ring data allocation/free, where aqringfree could be called multiple times on same ring, if system is under stress and got memory allocation...

kernel: tls: make sure to abort the stream if headers are bogus

In the Linux kernel, the following vulnerability has been resolved: tls: make sure to abort the stream if headers are bogus Normally we wait for the socket to buffer up the whole record before we service it. If the socket has a tiny buffer, however, we read out the data sooner, to prevent...

DEBIAN-CVE-2025-40186

In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call reqskfastopenremove in tcpconnrequest. syzbot reported the splat below in tcpconnrequest. 0 If a listener is closed while a TFO socket is being processed in tcpconnrequest, inetcskreqskqueueadd does not set reqsk-...

UBUNTU-CVE-2025-40186

In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call reqskfastopenremove in tcpconnrequest. syzbot reported the splat below in tcpconnrequest. 0 If a listener is closed while a TFO socket is being processed in tcpconnrequest, inetcskreqskqueueadd does not set reqsk-...

CVE-2025-40189

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Fix lost EEPROM read timeout error-ETIMEDOUT in lan78xxreadraweeprom Syzbot reported read of uninitialized variable BUG with following call stack. lan78xx 8-1:1.0 unnamed netdevice uninitialized: EEPROM read...

kernel: net: tun: unlink NAPI from device on destruction

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tunfile which can get destroyed before the netdev so we have to del them explicitly. The current...