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-2025-49482

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.39 Description The Linux kernel contained an issue where an integer overflow in the kmalloc reserve function could lead to crashes. Specifically, if the size parameter passed to kmalloc reserve was greater th...

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...

PT-2025-49379

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A kernel information leak issue was addressed in the Linux kernel related to the tc ife structure within the networking subsystem. The issue stemmed from partially initialized variables ...

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...

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990474)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990474 advisory. In the Linux kernel, the following vulnerability has been resolved: mac80211: limit injected vht mcs/nss in ieee80211parsetxradiotap Limit max values for vht mcs and...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990398)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990398 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix inode number range checks Patch series nilfs2: fix potential issues related to reserv...