EUVD-2026-67514

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix out-of-bounds write in ocfs2removerefcountextent BUG Unlinking a refcounted file whose refcount tree has leaf blocks triggers a fortify panic due to an out-of-bounds write. CAUSE When the last leaf block is removed fro...

CVE-2026-80615 net: dst_metadata: fix false-positive memcpy overflow in tun_dst_unclone

In the Linux kernel, the following vulnerability has been resolved: net: dstmetadata: fix false-positive memcpy overflow in tundstunclone kmallocflex in metadatadstalloc sets countedby for the structure to the optionslen, which is then initialized to zero. Later, we're initializing the structure ...

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

In the Linux kernel, the following vulnerability has been resolved: kheaders: Use an array declaration instead of a char. Under CONFIGFORTIFYSOURCE, memcpy will check the size of the destination and source buffers. Defining kernelheadersdata as “char” would trigger this check. Since these address...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFC: nci: Bounds check for struct nfctarget arrays While running with CONFIGFORTIFYSOURCE=y, syzkaller reported the following issue: memcpy: A field-spanning write was detected size 129 of the single field “target-sensfres” at...

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

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/mlx5: Fixed an issue where a source warning occurred when accessing the Eth segment. ------------ Cut here ------------ memcpy: A field-spanning write was detected size 56 for the single field “eseg-inlinehdr.start” at...

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

In the Linux kernel, the following vulnerability has been resolved: ipvs: fixed an undefined behavior due to uninitialized stack access in ipvsprotocolinit Under certain kernel configurations when building with Clang/LLVM, the compiler does not generate a return or jump as the terminator...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ovl: Use the “buf” flexible array as the destination for memcpy. The “buf” flexible array must be used as the destination for memcpy to avoid false positive run-time warnings caused by the recent FORTIFYSOURCE hardening measures:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Avoid field-overflowing memcpy In preparation for FORTIFYSOURCE, we are performing compile-time and run-time field bounds checking for memcpy, memmove, and memset. Avoid intentionally writing across neighboring fields...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/packet: fixed a slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket uses PACKETCOPYTHRESH and mmap operations, tpacketrcv queues skbs with garbage in skb-cb, causing an excessive copy 1...

CVE-2026-68293

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads The MCIA register can return up to 32 dwords 128 bytes when the device advertises the mcia32dwords capability, but struct mlx5ifcmciaregbits only defines dword0..11,...

samba security update

0:4.23.5-109 - Bump build number 0:4.23.5-108 - Security release for CVE-2026-1933 CVE-2026-2340 CVE-2026-3012 CVE-2026-4480 CVE-2026-40170 CVE-2026-4408 - resolves: RHEL-156279 - CVE-2026-1933 CVE-2026-2340 CVE-2026-3012 samba: various flaws - resolves: RHEL-161644 - CVE-2026-4480 - Fix Samba...

CVE-2026-57451

A flaw in Vim allows an attacker to cause a Denial of Service DoS via an application crash. If a user opens a maliciously crafted undo file, an out-of-bounds read is triggered in the gettextprops function due to missing length validation on property counts. Mitigation Users are advised to avoid...

samba security update

0:4.23.5-10 - Bump build number 0:4.23.5-9 - Security release for CVE-2026-1933 CVE-2026-2340 CVE-2026-3012 CVE-2026-4480 CVE-2026-40170 CVE-2026-4408 - resolves: RHEL-156319 - CVE-2026-1933 CVE-2026-2340 CVE-2026-3012 samba: various flaws - resolves: RHEL-161657 - CVE-2026-4480 - Fix Samba...

SUSE CVE-2026-11793

A stack buffer overflow flaw was found in 389 Directory Server. The checkPrefix function in pw.c copies an attacker-controlled algorithm ID into a 256-byte stack buffer without bounds checking when parsing reversible-encrypted attribute values. An attacker with Directory Manager privileges can...

DEBIAN-CVE-2026-11793

A stack buffer overflow flaw was found in 389 Directory Server. The checkPrefix function in pw.c copies an attacker-controlled algorithm ID into a 256-byte stack buffer without bounds checking when parsing reversible-encrypted attribute values. An attacker with Directory Manager privileges can...

CVE-2026-11793

A stack buffer overflow flaw was found in 389 Directory Server. The checkPrefix function in pw.c copies an attacker-controlled algorithm ID into a 256-byte stack buffer without bounds checking when parsing reversible-encrypted attribute values. An attacker with Directory Manager privileges can...

EUVD-2026-35423

A stack buffer overflow flaw was found in 389 Directory Server. The checkPrefix function in pw.c copies an attacker-controlled algorithm ID into a 256-byte stack buffer without bounds checking when parsing reversible-encrypted attribute values. An attacker with Directory Manager privileges can...

samba security update

4.19.4-16.0.1 - s3: winbindd: winbinddpam: fix leak in extractpacvrfysigs Orabug: 36518285 - s3:passdb: Do not leak memory in pdbtdb Orabug: 36371377 - Gluster volumes not accessible via Samba due to missing samba-vfs-glusterfs in OL8 Orabug: 30205755 4.19.4-16 - resolves: RHEL-156322 - Fix...

CVE-2026-46149

A flaw was found in the Linux kernel's SCSI target subsystem. This vulnerability, a buffer overflow, occurs in the tgptgpmembersshow function when processing long iSCSI IQN names. An attacker could potentially exploit this by providing a specially crafted input, leading to the disclosure of...

CVE-2026-46149

In the Linux kernel, the following vulnerability has been resolved: scsi: target: configfs: Bound snprintf return in tgptgpmembersshow targettgptgpmembersshow formats LUN paths with snprintf into a 256-byte stack buffer, then will memcpy curlen bytes from that buffer. snprintf returns the length...