CVE-2026-72232

In the Linux kernel, the following vulnerability has been resolved: batman-adv: ensure minimal ethernet header on TX As documented in commit 8bd67ebb50c0 "net: bridge: xmit: make sure we have at least eth header len bytes", it is possible by for a local user with eBPF TC hook access to attach a t...

CVE-2026-72019

In the Linux kernel, the following vulnerability has been resolved: macsec: don't read an unset MAC header in macsecencrypt macsecencrypt reads the Ethernet header via ethhdrskb skb-head + skb-macheader to memmove the 12 source/destination MAC bytes forward and make room for the SecTAG. On the...

CVE-2026-72235 batman-adv: retrieve ethhdr after potential skb realloc on RX

In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskbmaypull in batadvinterfacerx could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

EUVD-2026-59134

In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskbmaypull in batadvinterfacerx could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

CVE-2026-72235

CVE-2026-72235 involves batman-adv in the Linux kernel. pskb_may_pull() in batadv_interface_rx() could realloc the buffer behind the skb, leaving pointers to the old buffer vulnerable to use-after-free. The issue was mitigated for the VLAN header but the ethernet header path used for TT and AP is...

EUVD-2026-59131

In the Linux kernel, the following vulnerability has been resolved: batman-adv: ensure minimal ethernet header on TX As documented in commit 8bd67ebb50c0 "net: bridge: xmit: make sure we have at least eth header len bytes", it is possible by for a local user with eBPF TC hook access to attach a t...

PT-2026-72423

In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskb may pull in batadv interface rx could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

PT-2026-72484

In the Linux kernel, the following vulnerability has been resolved: net: ife: require ETH HLEN to be pullable in ife decode ife decode may return after making only the outer IFE header and metadata pullable. The caller then passes the decapsulated packet to eth type trans, which expects the inner...

RLSA-2026:54247 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: udf: fix partition descriptor append bookkeeping CVE-2026-45991 kernel: ice: fix double-free of txbuf skb CVE-2026-53009 For more...

Cisco Advance Notification for Publication of August 19, 2026, Security Advisories

On August 19, 2026, the Cisco Product Security Incident Response Team PSIRT will publish advisories to disclose security vulnerability information along with fixed software releases for the following Cisco products: BroadWorks Crosswork Industrial Ethernet 1000 Series Switches Packaged Contact...

CVE-2026-68331

In the Linux kernel, the following vulnerability has been resolved: dpaa2-eth: put MAC endpoint device on disconnect fslmcgetendpoint returns the MAC endpoint device with a reference taken through devicefindchild. The Ethernet connect path stores that device in mac-mcdev and keeps it for the...

EUVD-2026-55432

In the Linux kernel, the following vulnerability has been resolved: dpaa2-eth: put MAC endpoint device on disconnect fslmcgetendpoint returns the MAC endpoint device with a reference taken through devicefindchild. The Ethernet connect path stores that device in mac-mcdev and keeps it for the...

CVE-2026-68121 pppoe: reload header pointer after dev_hard_header()

In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after devhardheader pppoesendmsg saves a pointer to the PPPoE header before calling devhardheader. Device header callbacks are allowed to reallocate the skb head, invalidating pointers into it. This c...

CVE-2026-68121

Summary of CVE-2026-68121 (Linux kernel, PPPoE): A vulnerability arises when device header callbacks reallocate the skb head after PPPoE header is referenced, causing a stale pointer to the PPPoE header used by pppoe_sendmsg(). This can occur if a send is blocked in copy_from_user() while a non-E...

EUVD-2026-55502

In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after devhardheader pppoesendmsg saves a pointer to the PPPoE header before calling devhardheader. Device header callbacks are allowed to reallocate the skb head, invalidating pointers into it. This c...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: mtkethsoc: Reset the progptr to oldprog in case of an error in mtkxdpsetup. Reset the eBPF program pointer to oldprog, and do not decrease its reference count if the mtkopen routine in mtkxdpsetup fails...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ice: Fixed NULL pointer dereferencing in icevsisetnapiqueues. Added NULL pointer checks in icevsisetnapiqueues to prevent crashes during resume from suspend when ringsqidx-qvector is NULL. Tested adapter: 60:00.0 Ethernet...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: usb: r8152: fix resume reset deadlock The rtl8152 function can trigger a device reset during a reset process, which potentially leads to a deadlock. DPM device timeout after 10 seconds; 15 seconds until panic Call trace:...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: ecbhf: Fixed the dmafreecoherent function’s DMA handle. The error-prone use of dmafreecoherent takes priv-rxbuf.alloclen as the DMA handle. This could result in improper unmapping of the buffer. The DMA handle has...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bonding: Limit BONDMODE8023AD to Ethernet devices. BONDMODE8023AD is meaningful only for ARPHRDETHER. syzbot reported: BUG: KASAN: Global-out-of-bounds in hwaddrcreate net/core/devaddrlists.c:63 inline BUG: KASAN:...