EUVD-2026-55326

In the Linux kernel, the following vulnerability has been resolved: media: i2c: alvium: fix critical pointer access in alviumctrlinit The current implementation of alviumctrlinit creates several controls in function alviumctrlinit and uses the returned pointer without check. That can cause write...

CVE-2026-68225

The CVE-2026-68225 entry covers a Linux kernel issue in the media: i2c/alvium driver where alvium_ctrl_init creates several controls and uses the returned pointer without validating it, enabling potential write access to a NULL pointer for multiple controls. The fix reworked alvium_ctrl_init to c...

CVE-2026-68174

The vulnerability CVE-2026-68174 affects the Linux kernel tracing subsystem. In struct trace_event_call, the module pointer and the refcnt atomic share a union, so for dynamic events (kprobe, uprobe, fprobe, eprobe, wprobe) the refcnt may be non-zero and cause call->module to appear as a small...

CVE-2026-68136

CVE-2026-68136 is a Linux kernel GRO flaw where missing NAPI_GRO_CB(skb)->flush validation in skb_gro_receive_list() allows double aggregation of flush-marked skbs, potentially corrupting frag_list and leading to a kernel panic during skb_segment() (DoS). Public reports (NVD, Red Hat, Debian, ...

CVE-2026-68136 net: gro: fix double aggregation of flush-marked skbs

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double aggregation of flush-marked skbs Commit 0ab03f353d36 "net-gro: Fix GRO flush when receiving a GSO packet." added a flush check to skbgroreceive, but skbgroreceivelist lacks the same validation. As a result,...

CVE-2026-68136 net: gro: fix double aggregation of flush-marked skbs

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double aggregation of flush-marked skbs Commit 0ab03f353d36 "net-gro: Fix GRO flush when receiving a GSO packet." added a flush check to skbgroreceive, but skbgroreceivelist lacks the same validation. As a result,...

EUVD-2026-55266

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: clear HCIUARTSENDING when writework is canceled HCIUARTSENDING bit in txstate means writework is pending and blocks queueing it again. Currently this bit is not cleared when canceling the work in hciuartclose,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The ATTRCTIME flags were set when setting the mtime. David reported that the new warning from setattrcopymgtime appears as follows: 113.215316 ------------ Cut here ----------- 113.215974 WARNING: CPU: 1 PID: 31 at...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not zero the entire extent if EXT4EXTDATAPARTIALVALID1 is true. When allocating initialized blocks from a large unwritten extent, or when splitting an unwritten extent during end I/O and converting it to an initialized...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: never defer requests during idmap lookup During the decoding of v4 request compound arguments, certain operations e.g., SETATTR can trigger idmap lookup upcalls. When the responses to these upcalls are delayed beyond the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: The NFSINOLAYOUTCOMMIT field was cleared in pnfsmarklayoutstateidInvalidial. This fix prevents a crash occurring when the layout is null during this call stack: write inode - nfs4write inode - pnfslayoutcommit inode...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: afalg – Zero initialize memory allocated via sockkmalloc Several crypto user API contexts and requests that were allocated using sockkmalloc remained uninitialized. This meant that callers had to explicitly set the fields...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the committed code below, if the MPC subflow is already in the TCPCLOSE status or has fallen back to TCP at the mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclos...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Duplicate handshake cancellations cause a socket leak. When a handshake request is cancelled, it is removed from the handshakenet-hnrequests list, but it remains in the handshakerhashtbl until it is destroyed. If a...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: fix use-after-free in usbgadgetstatework A race condition during the gadget teardown can lead to a use-after-free in usbgadgetstatework, as reported by KASAN: - BUG: KASAN: invalid-access in sysfs...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: Fixed the handling of VMPAT when fork fails in copypagerange. If trackpfncopy fails, we have already added the dst VMA to the maple tree. When fork fails, we will clean up the maple tree, and encounter issues with the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fixed a mismatch in the count of ECMP siblings when clearing RTFADDRCONF. The syzbot reported a kernel bug in fib6addrt2node, when adding an IPv6 route. 0 The commit f72514b3c569 "ipv6: Clear RA flags when adding a static...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: The delay module was unloaded while the fabric scan was in progress. This led to a system crash during the load/unload test. 105954.384919 RBP: ffff914589838dc0 R08: 0000000000000000 R09: 0000000000000086...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed a race condition in mptcppmdeladdtimer The mptcppmdeladdtimer function can call skstoptimersyncsk, &entry-addtimer. It is reported that there might already be a free entry, as reported by syzbot. Added RCU...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...