UBUNTU-CVE-2026-64440

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB write in HTcapshandler HTcapshandler iterates pIE-length bytes and writes into HTcaps.u.HTcap, which is a fixed 26-byte array sizeof struct HTcapselement. Because pIE-length is a raw u8 from an...

CVE-2026-64451

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix NULL pointer dereference in funcsetflag funcsetflag dereferences tr-currenttraceflags before verifying that the current tracer is actually the function tracer. When the active tracer has been switched away from...

CVE-2026-64336

In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspanpda: fix information leak The write callback is supposed to return the number of characters accepted or a negative errno. Since the addition of write fifo support the keyspanpda implementation will however...

CVE-2026-64449

In the Linux kernel, the following vulnerability has been resolved: staging: vmeuser: bound slave read/write to the kernbuf size The SLAVE-path helpers buffertouser and bufferfromuser copy 'count' bytes into/out of the fixed-size kernbuf sizebuf == PCIBUFSIZE == 0x20000, 128 KiB using ppos as the...

CVE-2026-64274

In the Linux kernel, the following vulnerability has been resolved: Input: goodix - clamp the device-reported contact count goodixtsreadinputreport copies the number of touch points reported by the device into an on-stack buffer u8 pointdata2 + GOODIXMAXCONTACTSIZE GOODIXMAXCONTACTS; which is siz...

CVE-2026-64499

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ti-ads1119: fix PM reference leak in buffer preenable ads1119triggeredbufferpreenable resumes the device with pmruntimeresumeandget before starting a conversion. If i2csmbuswritebyte fails, the function returns the erro...

CVE-2026-64304

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - validate RSA CRT component lengths The generic RSA key parser rsahelper.c bounds each CRT component p, q, dp, dq, qinv by the modulus size nsz, but qatrsasetkeycrt allocates half-size DMA buffers keysz / 2 and...

UBUNTU-CVE-2026-64398

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a permission check for FSCTLSETZERODATA FSCTLSETZERODATA in smb2ioctl destroys file data via ksmbdvfszerodata - vfsfallocatePUNCHHOLE/ZERORANGE after checking only the share-level KSMBDTREECONNFLAGWRITABLE, with no...

CVE-2026-64364

In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix out-of-bounds bit access on mtioflags mtioflags is a single unsigned long, but mtprocessslot, mtreleasependingpalms and mtreleasecontacts use it as a per-slot bitmap indexed by the slot number. That slot numb...

CVE-2026-64435

In the Linux kernel, the following vulnerability has been resolved: audit: Fix data races of skbqueuelen readers on auditqueue Multiple readers access auditqueue.qlen via skbqueuelen without holding the queue lock or using READONCE, while kauditd writes to this field via the skbdequeue → skbunlin...

UBUNTU-CVE-2026-64333

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

CVE-2026-64322

In the Linux kernel, the following vulnerability has been resolved: udf: validate sparing table length as an entry count, not a byte count udfloadsparablemap accepts a sparing table when sizeofst + le16tocpust-reallocationTableLen sb-sblocksize is false, i.e. it treats reallocationTableLen as a...

CVE-2026-64394

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a WRITEDAC/WRITEOWNER check to SMB2 SETINFO SECURITY commit cc57232cae23 "ksmbd: fix FSCTL permission bypass by adding a permission check for FSCTLSETSPARSE" added a fp-daccess gate to fsctlsetsparse and noted that...

CVE-2026-64440

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB write in HTcapshandler HTcapshandler iterates pIE-length bytes and writes into HTcaps.u.HTcap, which is a fixed 26-byte array sizeof struct HTcapselement. Because pIE-length is a raw u8 from an...

CVE-2026-64273

In the Linux kernel, the following vulnerability has been resolved: Input: iforce - bound the device-reported force-feedback effect index iforceprocesspacket handles a status report packet id 0x02 by taking a force-feedback effect index straight from the device wire and using it to address the...

UBUNTU-CVE-2026-64431

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid calling postwritemstfixup for invalid indexblock ntfsicxibsyncwrite calls postwritemstfixup when ntfsibwrite returns an error, intending to restore the buffer after a failed write. However, ntfsibwrite returns an erro...

UBUNTU-CVE-2026-64503

In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxsd9: fix runtime PM imbalance on writeraw error kxsd9writeraw takes a runtime PM reference with pmruntimegetsync but returns -EINVAL directly when a scale with a non-zero integer part is requested, skipping the...

UBUNTU-CVE-2026-64499

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ti-ads1119: fix PM reference leak in buffer preenable ads1119triggeredbufferpreenable resumes the device with pmruntimeresumeandget before starting a conversion. If i2csmbuswritebyte fails, the function returns the erro...

UBUNTU-CVE-2026-64298

In the Linux kernel, the following vulnerability has been resolved: NFSv4: include MAYWRITE in open permission mask for OTRUNC POSIX requires write permission to truncate a file, so an open that specifies OTRUNC must be authorized for write access regardless of the OACCMODE access mode...

UBUNTU-CVE-2026-64399

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add permission checks for FSCTLDUPLICATEEXTENTSTOFILE The FSCTLDUPLICATEEXTENTSTOFILE arm of smb2ioctl overwrites the destination file's data via vfsclonefilerange with neither the share-level KSMBDTREECONNFLAGWRITABLE che...