CVE-2026-53311 fuse: fix uninit-value in fuse_dentry_revalidate()

In the Linux kernel, the following vulnerability has been resolved: fuse: fix uninit-value in fusedentryrevalidate fusedentryrevalidate may be called with a dentry that didn't had -dtime initialised. The issue was found with KMSAN, where lookupopen calls dalloc, followed by drevalidate, as shown...

PT-2026-52950

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where the fuse dentry revalidate function may be called with a dentry that has an uninitialized d time variable. This behavior was identified using KMSAN, occurring when...

CVE-2026-53170

In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: reject DMA commands with uninitialized length cmdstateinit initializes the command state with memset0xff, leaving dma-len at U64MAX to signal missing setup. The only setter is NPUSETDMA0LEN; if userspace omits this...

CVE-2026-53225

In the Linux kernel, the following vulnerability has been resolved: sctp: fix uninit-value in sctprcvasconflookup sctprcvasconflookup in net/sctp/input.c only checks that the ASCONF chunk can hold the ADDIP header and a parameter header, then calls af-fromaddrparam, which reads the full address 1...

EUVD-2026-38897

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent uninitialized lcn caused by zero len syzbot reported a uninit-value in ntfsiomapbegin 1. Since runs was not touched yet, runlookupentry immediately fails and returns false, which makes the value of "len" 0...

EUVD-2026-38853

In the Linux kernel, the following vulnerability has been resolved: netdevsim: zero initialize struct iphdr in dummy skbuff Syzbot reports a KMSAN uninit-value originating from nsimdevtrapskbbuild, with the allocation also being performed in the same function. Fix this by calling skbputzero inste...

CVE-2026-53029

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent uninitialized lcn caused by zero len syzbot reported a uninit-value in ntfsiomapbegin 1. Since runs was not touched yet, runlookupentry immediately fails and returns false, which makes the value of "len" 0...

CVE-2026-53082 net: hamradio: 6pack: fix uninit-value in sixpack_receive_buf

In the Linux kernel, the following vulnerability has been resolved: net: hamradio: 6pack: fix uninit-value in sixpackreceivebuf sixpackreceivebuf does not properly skip bytes with TTY error flags. The while loop iterates through the flags buffer but never advances the data pointer cp, and passes...

CVE-2026-53082 net: hamradio: 6pack: fix uninit-value in sixpack_receive_buf

In the Linux kernel, the following vulnerability has been resolved: net: hamradio: 6pack: fix uninit-value in sixpackreceivebuf sixpackreceivebuf does not properly skip bytes with TTY error flags. The while loop iterates through the flags buffer but never advances the data pointer cp, and passes...

CVE-2026-53029 fs/ntfs3: prevent uninitialized lcn caused by zero len

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent uninitialized lcn caused by zero len syzbot reported a uninit-value in ntfsiomapbegin 1. Since runs was not touched yet, runlookupentry immediately fails and returns false, which makes the value of "len" 0...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mctp i2c: Initializing the event handler for read bytes A value of 0xff was set for I2C reads of the mctp-i2c device. Otherwise, reads will return “val” from the I2C bus driver. For I2c-aspeed and i2c-npcm7xx, this represents an...

CVE-2026-56968

GNU SASL before 2.2.4 lacks sanitization of a short challenge in gsaslntlmclientstep in the NTLM client, which could result in memory disclosure via a crafted server...

imagemagick:encoder_icon_fuzzer: Use-of-uninitialized-value in WriteICONImage

Detailed Report: https://oss-fuzz.com/testcase?key=5923814046498816 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encodericonfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: WriteICONImage WriteImage...

OSV-2026-889 Use-of-uninitialized-value in vp8_compute_skin_block

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=520701729 Crash type: Use-of-uninitialized-value Crash state: vp8computeskinblock encodeframetodatarate vp8getcompresseddata...

OSV-2026-872 Use-of-uninitialized-value in vpx_variance16x16_avx2

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=520181861 Crash type: Use-of-uninitialized-value Crash state: vpxvariance16x16avx2 vp8pickintramode vp8cxencodeintramacroblock...

OSV-2026-868 Use-of-uninitialized-value in vp8_regular_quantize_b_sse4_1

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=520318421 Crash type: Use-of-uninitialized-value Crash state: vp8regularquantizebsse41 macroblockyrd vp8rdpickintramode...

EulerOS Virtualization 2.10.0 : kernel (EulerOS-SA-2026-2049)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : ACPI: CPPC: Avoid out of bounds access when parsing CPC dataCVE-2022-49145 scsi: libsas: Fix use-after-free bug in...

OSV-2026-828 Use-of-uninitialized-value in ReadContainer

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=517870853 Crash type: Use-of-uninitialized-value Crash state: ReadContainer PKImageDecodeInitializeWMP PKCodecFactoryCreateDecoderFromFile...

PT-2026-48348

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=517870853 Crash type: Use-of-uninitialized-value Crash state: ReadContainer PKImageDecode Initialize WMP PKCodecFactory CreateDecoderFromFile...

CVE-2026-47336

Ubuntu Linux 6.8 is affected by a SAUCE patch issue in AppArmor AF_INET/AF_INET6 socket mediation code due to an uninitialized variable, exploitable by an unprivileged local user and potentially causing incorrect fine-grained mediation of network sockets. The CVE description and related documents...