PT-2026-90442

In the Linux kernel, the following vulnerability has been resolved: lib/ucs2 string.c: fix out-of-bounds read in ucs2 strnlen Patch series "lib/ucs2 string.c: fix out-of-bounds read in ucs2 strnlen", v2. This series fixes an off-by-one out-of-bounds read in ucs2 strnlen. The first patch is the re...

PT-2026-90088

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: clamp the tail kset read to the segment data region The tail-kset read in cache replay, the writeback worker and the GC worker bounds its length by PCACHE SEG SIZE - seg off, the raw segment size rather than the data...

PT-2026-90063

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: validate default EEPROM firmware size The default EEPROM firmware is parsed and copied as a full EEPROM without checking its length. A truncated file can make the driver read beyond the firmware buffer during...

PT-2026-90240

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: clamp assoc request/response lengths before subtracting IE offsets ath6kl cfg80211 connect event subtracts fixed IE offsets from assoc req len -= 4 and assoc resp len -= 6, both u8, with no lower bound. The aggregat...

PT-2026-90272

In the Linux kernel, the following vulnerability has been resolved: module: validate string table section types In elf validity cache sechdrs, section sizes and offsets are validated, unless the section type is SHT NULL or SHT NOBITS. Later, elf validity cache secstrings and elf validity cache...

PT-2026-90327

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate non-resident attribute offsets ntfs attr update meta shifts the attribute name when converting between non-sparse and sparse attributes. Converting to sparse also adds the compressed size field before the name and...

PT-2026-90323

In the Linux kernel, the following vulnerability has been resolved: ecryptfs: reject oversized encrypted key size in parse tag 3 packet parse tag 3 packet set encrypted key size from the Tag 3 packet body without bounding it against ECRYPTFS MAX KEY BYTES 64. When encrypted key size 64, decrypt...

PT-2026-90089

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: bound the persisted tail-position offset cache pos decode takes the persisted key tail and dirty tail seg off from the cache device and addresses within the segment with it. A seg off at or past the segment data size,...

PT-2026-90330

In the Linux kernel, the following vulnerability has been resolved: ntfs: bound the free-cluster bitmap scan to the volume vol-lcn empty bits per page is sized from vol-nr clusters at mount, but ntfs cluster alloc bounds its scan of that array by the size of $Bitmap. Those are independent on-disk...

PT-2026-90337

In the Linux kernel, the following vulnerability has been resolved: HID: mcp2221: validate report size in mcp2221 raw event mcp2221 raw event never validates the size of incoming HID reports. In the MCP2221 I2C GET DATA path it trusts the device-supplied data3 as the copy length without checking...

PT-2026-90318

In the Linux kernel, the following vulnerability has been resolved: erofs: skip sufficiently large global buffers when resizing z erofs gbuf nrpages is advanced only after every global buffer has been grown. If a resize fails after some buffers were enlarged, a retry revisits those enlarged...

PT-2026-90459

In the Linux kernel, the following vulnerability has been resolved: misc: nsm: bound the device-reported response length nsm sendrecv msg locked stores the virtqueue used-ring length reported by the NSM device into msg-resp.len without bounding it to the response buffer. A malicious or buggy...

PT-2026-90333

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate dirty page table on log replay Each DIR PAGE ENTRY ends in a page lcns array whose length is the on-disk lcns follow field. check rstbl validates the table bookkeeping but never checks that this array fits in t...

PT-2026-90331

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound page lcns index by the log record The copy lcns loop and the redo shorten loop index page lcns at j + i, where i runs up to the log record's lcns follow. That count is checked only against the record's own length,...

PT-2026-90312

In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix off-by-one when saving/restoring non-PCI config space nv suspend and nv resume walk the non-PCI configuration space with for i = 0; i register size/sizeofu32; i++ which runs one iteration too many. saved config spa...

PT-2026-90296

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpf get stack get perf callchain returns a per-CPU perf callchain entry buffer and releases its recursion slot via put callchain entry before returning, so nothing keeps the entry reserved while bpf get...

PT-2026-90326

In the Linux kernel, the following vulnerability has been resolved: ntfs: verify run length exceeding volume boundary The mapping pairs decoder validates that the starting LCN is within the volume but does not check if the run extends beyond the volume boundary. A malformed NTFS image with a...

PT-2026-90367

In the Linux kernel, the following vulnerability has been resolved: ceph: bound MDSCapAuth path and fs name decode in handle session handle session decodes the MDSCapAuth records carried by a CEPH SESSION OPEN message msg version = 6. For each record the match.path and match.fs name byte strings...

PT-2026-90390

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix XDR length calculation in nfsd4 ff encode layoutget The XDR buffer size calculation in nfsd4 ff encode layoutget has multiple errors that can result in either an out-of-bounds write or leaking uninitialized kernel memor...

PT-2026-90440

In the Linux kernel, the following vulnerability has been resolved: media: vicodec: fix out-of-bounds write in FWHT encoder vidioc s fmt vid out sizes the encoder CAPTURE buffer from the compressed descriptor pixfmt fwht, whose sizeimage mult is 3: coded w coded h 3 + sizeofstruct fwht cframe hdr...