Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The validation of the request buffer size was added in smb2allocaterspbuf. The response buffer should be allocated in smb2allocaterspbuf before validation of the request. However, fields within the payload as well as the...

UBUNTU-CVE-2026-89743

In the Linux kernel, the following vulnerability has been resolved: misc: nsm: bound the device-reported response length nsmsendrecvmsglocked stores the virtqueue used-ring length reported by the NSM device into msg-resp.len without bounding it to the response buffer. A malicious or buggy backend...

PT-2026-90459

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read exists where the nsm sendrecv msg locked function stores the virtqueue used-ring length reported by the NSM device into msg-resp.len without bounding it to the...

JLSEC-2026-1252 Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer...

Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an unexpected length...

PT-2026-80494

Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an unexpected length...

CVE-2026-68255

Summary: CVE-2026-68255 affects the Linux kernel DRM/virtio EDID handling. The function virtio_get_edid_block() validates reads only against the device-supplied resp->size, not against the fixed-size resp->edid array. An attacker-controlled virtio-gpu backend can advertise a large size with...

CVE-2026-64597

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2close replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2closeinit fails before the next send, cleanup retains the previous buffer type and fre...

SUSE CVE-2026-64384

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2notifyinit fails before the next send, cleanup retains the previous buffer type and...

SUSE CVE-2026-64386

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix queryinfo replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2queryinfoinit fails before the next send, cleanup retains the previous buffer type and...

CVE-2026-64383

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2flush replay SMB2flush keeps its response buffer bookkeeping across replay attempts. If a replayable flush response is received and the retry then fails before cifssendrecv stores a replacement...

AZL-93671 CVE-2026-64382 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2open replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2openinit fails before the next send, cleanup retains the previous buffer type and frees...

UBUNTU-CVE-2026-64382

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2open replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2openinit fails before the next send, cleanup retains the previous buffer type and frees...

CVE-2026-64384

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2notifyinit fails before the next send, cleanup retains the previous buffer type and...

CVE-2026-64387

Summary (CVE-2026-64387) : The Linux kernel SMB client is affected by a replay-double-free condition in query directory handling. If SMB2_query_directory_init() fails before the next send, a previously freed response buffer could be freed again due to stale bookkeeping, potentially compromising c...

EUVD-2026-48928

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2notifyinit fails before the next send, cleanup retains the previous buffer type and...

CVE-2026-64383 smb: client: fix double-free in SMB2_flush() replay

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2flush replay SMB2flush keeps its response buffer bookkeeping across replay attempts. If a replayable flush response is received and the retry then fails before cifssendrecv stores a replacement...

CVE-2026-64382

CVE-2026-64382 describes a Linux kernel SMB client-use-after-free issue in SMB2_open() replay handling. The vulnerability arises because a response-bearing SMB2_open attempt could return a replayable error and free its response buffer; if SMB2_open_init() fails before the next send, cleanup may f...

PT-2026-64607

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. A response-bearing attempt can return a replayable error and free its response buffer. If the SMB2 query info init function fails before the...

PT-2026-64605

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. A response-bearing attempt may return a replayable error and free its response buffer. If the SMB2 notify init function fails before the...

PT-2026-64603

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. A response-bearing attempt can return a replayable error and free its response buffer. If the SMB2 open init function fails before the...