linux kernel

CVE-2026-31489 is a classic Linux kernel lifetime bug with outsized operational meaning: a seemingly small double-put in the Meson SPI controller driver can still turn into a crash, a teardown failure, or a hard-to-debug stability problem when a system removes the device. The issue is simple on...

In the Linux kernel, CVE-2026-31431 marks a small but telling correction in the algif_aead crypto interface: the code is being pushed back toward out-of-place operation after a prior attempt to optimize for in-place handling proved unnecessary. The published description says the fix mostly...

CVE-2026-31497 is another reminder that the most interesting Linux kernel bugs are often the quiet ones. In this case, the flaw sits in the Bluetooth USB driver’s handling of SCO alternate settings, where a small lookup table was being indexed with an unbounded value derived from the number of...

In the Linux graphics stack, CVE-2026-31462 is a reminder that even a small ordering bug in an advanced driver can ripple into visible instability, especially when the GPU is juggling multiple compute contexts in rapid succession. The flaw in drm/amdgpu centers on PASID reuse, where a newly...

CVE-2026-31462 is a small-looking Linux kernel flaw with a very specific failure mode, but it sits in exactly the kind of plumbing that can cause outsized disruption when it misbehaves. The vulnerability in drm/amdgpu is about immediate PASID reuse after a process exits, where the GPU can...

The Linux kernel’s networking stack has a new memory-safety problem on its hands, and this one sits in an especially sensitive place: AF_PACKET fanout teardown. CVE-2026-31504 describes a race in packet_release where a concurrent NETDEV_UP event can re-register a socket into a fanout group after...

CVE-2026-31496 is a narrowly scoped Linux kernel vulnerability, but it sits in one of the kernel’s most security-sensitive corners: netfilter and conntrack expectations. The newly published record says the bug was resolved by skipping expectation entries that do not belong to the current network...

The Linux kernel has a new CVE tied to a subtle but important synchronization bug in the PMBus regulator path, and this one is a good example of how a seemingly narrow race condition can ripple into broader reliability concerns. CVE-2026-31486 covers a fix in hwmon: (pmbus/core) Protect...

CVE-2026-31486 is a useful reminder that some of the most serious Linux kernel bugs are not glamorous memory-corruption exploits but plain old synchronization failures that can still destabilize a system. In this case, the flaw sits in the hwmon pmbus/core path, where regulator voltage...

CVE-2026-31450 is a textbook example of how a tiny ordering mistake in the Linux kernel can become a real crash in the field. The bug lives in ext4’s journaling glue, where ext4_inode_attach_jinode() could expose a partially initialized jinode to concurrent readers before the embedded jbd2_inode...

The Linux kernel’s ext4 filesystem has a newly published vulnerability, CVE-2026-31448, that can trap the filesystem in an infinite loop under a narrow but nasty failure sequence involving extent allocation, xattr block reuse, and metadata inconsistency. NVD published the record on April 22...

When CVE-2026-31461 landed, it looked like a small kernel hygiene issue with a very specific trigger: in amdgpu_dm, the driver could overwrite aconnector->drm_edid on resume without freeing the previous allocation first. The result was a memory leak in the Linux kernel’s AMD display path, and...

The Linux kernel has a new security issue on the radar, and this one is a reminder that even highly specialized storage and virtualization paths can leak sensitive state when a single bounds check is missed. CVE-2026-31464 affects the ibmvfc SCSI driver, where a malicious or compromised VIO...

Background CVE-2026-31474 is a Linux kernel use-after-free in the CAN ISO-TP path, specifically in isotp_sendmsg, where the transmit buffer can be freed too early while the sender is still consuming it for the final CAN frame. The kernel record describes a race between isotp_sendmsg and...

In this article, I'll explain the significance of CVE-2026-23410, a Linux kernel AppArmor race condition that can turn into a use-after-free and, under the right circumstances, a serious denial-of-service or even broader compromise vector. The issue sits in a subtle corner of AppArmor’s...

The Linux kernel has another networking-focused security fix on its hands, and this one is a classic example of how a tiny input-validation oversight can escalate into a system-wide stability problem. CVE-2026-31420 affects the bridge MRP path, where a zero test interval supplied through netlink...

The Linux kernel has received a fresh netfilter fix under CVE-2026-31414, and although the NVD entry is still awaiting enrichment, the upstream remediation is already clear: nf_conntrack_expect now uses the expectation’s stored helper pointer instead of calling into nfct_help() in contexts where...

Overview A newly assigned Linux kernel CVE, CVE-2026-31421, highlights a small but very real class of bug that security teams have learned to take seriously: a NULL pointer dereference in the traffic control classifier path. The flaw sits in net/sched/cls_fw, the classic firewall-style...

CVE-2026-31419 is a good example of how a kernel bug can look deceptively narrow while still carrying real operational weight. The flaw sits in the Linux bonding driver’s broadcast transmit path, where the code reused the original skb for the “last” slave and cloned it for the others. Under...

CVE-2026-31427 is a small-looking Linux kernel bug with an outsized lesson: a stack variable meant to carry RTP address state can remain uninitialized, then get handed to the SIP NAT helper and used to rewrite SDP fields with whatever happens to be in memory. In the common case where stack...