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

In the Linux kernel, the following vulnerability has been resolved: net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets When the FarSync T-series card is being detached, the fstcardinfo is deallocated in fstremoveone. However, the fsttxtask or fstinttask may still be running ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kunit/overflow: Fixed the UB in overflowallocationtest. The 'devicename' array does not exist outside the 'overflowallocationtest' function scope. However, it is being used as a driver name when calling 'kunitdrivercreate' from...

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

In the Linux kernel, the following vulnerabilities have been resolved: net/ipv6: avoided a possible Use After Free UAF in ip6routempathnotify syzbot discovered another use-after-free in ip6routempath Notify. 1 The commit f7225172f25a “net/ipv6: prevent use after free in ip6routempath Notify” fail...

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: The cleanup of neighbor information has been moved to the profile cleanuptx callback. For IP tunnel encapsulation in ECMP Equal-Cost Multipath mode, since the flow is duplicated to the peer eswitch, the related neighbo...

CVE-2026-74712

In the Linux kernel, the following vulnerability has been resolved: vdpa/mlx5: Fix buffer length in createdirectkeys We have seen in our CI the following KASAN message: BUG: KASAN: slab-out-of-bounds in cmdexec+0x550/0xca0 mlx5core Read of size 272 at addr 0000000176795020 by task...

CVE-2026-74682

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix OOB write on Type II inbound URBs dataepsetparams sizes each URB transfer buffer before it adds the Format Type II transfer delimiter: u-packets = urbpacks; u-buffersize = maxsize u-packets; if fmt-fmttype ==...

AZL-97097 CVE-2026-74635 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bitcursor bitcursor fetches the glyph under the cursor with c = scrreadwvcpos; src = vcfont.data + c & charmask w height; where charmask is 0x1ff when vchifontmask is set. The screen...

AZL-97232 CVE-2026-74588 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk-transport in step with the list it is queued on sctpoutqflushrtx moves a gap-acked chunk onto another transport's transmitted list without updating chunk-transport: if chunk-tsngapacked...

CVE-2026-74613

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: avoid refilling the RX queue after teardown Commit b917507e5ad9 "vsock/virtio: stop workers during the .remove" made the RX worker jump to its common exit when rxrun is clear. That exit still refills the RX queue wh...

CVE-2026-74689

In the Linux kernel, the following vulnerability has been resolved: net/atm: fix slab-out-of-bounds read in vccsetsockopt vccsetsockopt contained an ineffective optlen check: if SOLEVELMATCHoptname, level && optlen != SOSIZEoptname return -EINVAL; If SOLEVELMATCHoptname, level evaluated to false...

UBUNTU-CVE-2026-74656

In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...

EUVD-2026-64576

In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: re-anchor capture URBs on resubmission captureurbcomplete resubmits each capture URB without anchoring it: usbgeturburb; ret = usbsubmiturburb, GFPATOMIC; Anchoring is a property of a submission, not of the URB...

CVE-2026-74639 ALSA: us144mkii: re-anchor capture URBs on resubmission

In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: re-anchor capture URBs on resubmission captureurbcomplete resubmits each capture URB without anchoring it: usbgeturburb; ret = usbsubmiturburb, GFPATOMIC; Anchoring is a property of a submission, not of the URB...

CVE-2026-74635

CVE-2026-74635 is an out-of-bounds read in the Linux kernel's fbdev subsystem, specifically in bit_cursor() (drivers/video/fbdev/core/bitblit.c). The function indexes font glyph data using a value from the screen buffer without bounds-checking it against the font's glyph count. A local user can t...

CVE-2026-74635 fbdev: bitblit: bound-check glyph index in bit_cursor()

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bitcursor bitcursor fetches the glyph under the cursor with c = scrreadwvcpos; src = vcfont.data + c & charmask w height; where charmask is 0x1ff when vchifontmask is set. The screen...

EUVD-2026-64567

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent in6devget from resurrecting inet6dev in6devget reads dev-ip6ptr under RCU and then unconditionally increments its refcount. Device teardown can clear the pointer and drop the last reference between these operations...

CVE-2026-74628

CVE-2026-74628 is a use-after-free in the Linux kernel's net/x25 (X.25 protocol) subsystem. The root cause is that x25 timers are armed with mod_timer() and cancelled with timer_delete(), meaning a pending timer holds no reference on the socket. Because x25_heartbeat_expiry() rearms unconditional...

PT-2026-79640

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bit cursor bit cursor fetches the glyph under the cursor with c = scr readwvc pos; src = vc font.data + c & charmask w height; where charmask is 0x1ff when vc hi font mask is set. The...