CVE-2026-90093

CVE-2026-90093 is a use-after-free bug in the Linux kernel Bluetooth L2CAP subsystem. Since commit b66774b48dd9, l2cap_chan::conn retains a reference that remains non-NULL even after the corresponding hci_conn is deleted. Accessing fields such as hci_conn::hdev in this state causes a KASAN crash ...

CVE-2026-90093 Bluetooth: L2CAP: access chan->conn safely in get/setsockopt

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

EUVD-2026-81954

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

PT-2026-94670

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the OCFS2 cluster component where the o2nm node local store function fails to clear the cl has local variable when handling local=0. This creates a stale state that...

PT-2026-94441

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth L2CAP implementation where l2cap chan::conn retains a reference and remains non-NULL even after the associated hci conn is deleted. Accessing fields such...

CVE-2026-90113: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netdevsim: update queue NAPI association on queue reset In netdevsim, receive queues struct nsimrq embed their own struct napistruct. When queue reset is performed e.g. via queuereset debugfs, nsimqueuestart swaps in a newly...

CVE-2026-90093: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

CVE-2026-89947

In the Linux kernel, the following vulnerability has been resolved: clk: meson: align gxbb32kclksel number of parents with actual count The following out-of-bounds read has been observed by Christian on a GXBB WeTek Hub: ================================================================== BUG: KASA...

CVE-2026-89947

CVE-2026-89947 is a global-out-of-bounds read in the Linux kernel's Amlogic Meson GXBB clock driver . When commit 7915d7d5407c removed a non-existing 32k clock parent from the gxbb_32k_clk_sel mux, it did not adjust the hard-coded num_parents field, causing __clk_register to read past the end of ...

CVE-2026-89781 fs/ntfs3: fix out-of-bounds read in read_log_rec_buf()

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix out-of-bounds read in readlogrecbuf readlogrecbuf copies a log record into a caller buffer starting at u32 off = lsntopageofflog, lsn + log-recordheaderlen; log-recordheaderlen and log-dataoff, used for the followin...

CVE-2026-89780: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: qualcomm: rmnet: restore skb-dev on deaggregated frames rmnetmapdeaggregate allocates each sub-frame with allocskb and leaves skb-dev NULL. rmnetmapingresshandler assigns skb-dev = ep-egressdev only on the data path, but a M...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed null-ptr-deref in l2capsockresumecb. syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar issue that was fixed in commit 1bff51ea59a9 “Bluetooth: fixed use-after-free errors i...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: Limit access to parser-buffer when tracegetuser fails. When the length of the string written to setftracefilter exceeds FTRACEBUFFMAX, the following KASAN alarm will be triggered: BUG: KASAN: Slab-out-of-bounds in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs: udf: Fix for OOB read in lengthAllocDescs handling When parsing the Allocation Extent Descriptor, lengthAllocDescs is derived from disk-based data and must be validated against the block size. Corrupted or crafted images m...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds When we run syzkaller, we encounter an out-of-bound error. The specific error message is: “KASAN: slab-out-of-bounds Read in regcacheflatread” The backtrace of the issue i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Added a missing terminator for zen5rdseedmicrocode Running x86matchminmicrocoderev on a Zen5 CPU results in a KASAN exception due to an out-of-bounds access...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Media: i2c: tc358743 – Fixed use-after-free bugs caused by an orphan timer in the probe. state-timer is a cyclic timer that schedules worki2cpoll and delayedworkenablehotplug, while rearming itself. Using timerdelete fails to...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: fix pinassignmentshow This patch fixes an issue where negative indexing of the buf array occurs in pinassignmentshow, especially when getcurrentpinassignments returns 0, indicating that no...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fix kasan out-of-bounds warning in sja1105tabledeleteentry There are actually 2 problems: 1. Deleting the last element does not require moving elements. In fact, the element at position i+1 is out of bounds. 2...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/9p: fixed an issue where double requests were sent to p9fdcancelled. Syzkaller reports a KASAN issue as follows: General protection fault, likely due to a non-canonical address 0xfbd59c0000000021: 0000 1 PREEMPT SMP KASAN...