CVE-2026-72343

Summary: Multiple sources report in the Linux kernel net/mlx5e HV VHCA stats path a zero-sized buffer allocation bug that can lead to a fault when stats are enabled. The root cause was calling kvzalloc(0) via mlx5e_hv_vhca_stats_create() before priv->stats_nch is populated, resulting in a ZERO...

CVE-2026-72341 net/mlx5e: Fix publication race for priv->channel_stats[]

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix publication race for priv-channelstats mlx5echannelstatsalloc publishes a new entry to priv-channelstats and then increments priv-statsnch as a publication token, but neither store carries any memory barrier:...

CVE-2026-72338 net/sched: act_pedit: fix TOCTOU heap OOB write in tc offload

In the Linux kernel, the following vulnerability has been resolved: net/sched: actpedit: fix TOCTOU heap OOB write in tc offload There is a TOCTOU race condition in flower lockless approach between sizing a flowrule buffer and filling it. [email protected] reports: The clsflower...

CVE-2026-72330 net/tls: Consume empty data records in tls_sw_read_sock()

In the Linux kernel, the following vulnerability has been resolved: net/tls: Consume empty data records in tlsswreadsock A peer may send a zero-length TLS applicationdata record; TLS 1.3 explicitly permits these as a traffic-analysis countermeasure RFC 8446, Section 5.1. After decryption such a...

CVE-2026-72329

CVE-2026-72329 affects the Linux kernel’s net/liquidio SR-IOV path. The vulnerability arises from the PF SR-IOV enable path caching VF pci_dev pointers in dpiring_to_vfpcidev_lut[] by iterating with pci_get_device(), where entries do not own a reference and the iterator drops the previous device ...

CVE-2026-72326 net/sched: cake: reject overhead values that underflow length

In the Linux kernel, the following vulnerability has been resolved: net/sched: cake: reject overhead values that underflow length CAKE accepts signed overhead values and stores them in an s16, but the adjusted packet length calculation uses unsigned arithmetic. A negative effective length can...

CVE-2026-72166 net/9p: fix infinite loop in p9_client_rpc on fatal signal

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix infinite loop in p9clientrpc on fatal signal When p9clientrpc is called with type P9TFLUSH and the transport has no peer e.g. fd transport backed by pipes with no 9p server, a fatal signal causes an infinite loop:...

CVE-2026-72104

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: reject option groups without values The pcache target parses optional arguments as name/value pairs. A table that advertises one optional argument and supplies only a recognized option name, for example "cachemode",...

CVE-2026-72072 net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: macsec: fix use-after-free of metadatadst on RX SC delete When an offloaded MACsec RX SC is deleted, macsecdelrxscctx freed the per-SC metadatadst with metadatadstfree, which kfrees the object unconditionally and ignor...

EUVD-2026-59022

In the Linux kernel, the following vulnerability has been resolved: net: mana: Sync page pool RX frags for CPU MANA allocates RX buffers from page pool fragments when fragcount is greater than 1. In that case the buffers remain DMA mapped by page pool and the RX completion path does not call...

EUVD-2026-59019

In the Linux kernel, the following vulnerability has been resolved: net: sit: require CAPNETADMIN in the device netns for changelink ipip6changelink operates on at most two netns, devnetdev and the tunnel link netns t-net. They differ once the device is created in or moved to a netns other than t...

EUVD-2026-59018

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: icssg: guard PA stat lookups icssgndogetstats64 unconditionally calls emacgetstatbyname with FW PA stat names regardless of whether the PA stats block is present on the hardware. emacgetstatbyname already guard...

CVE-2026-72058

Summary: The CVE-2026-72058 issue in the Linux kernel affects the ixp4xx_hss HDLC netdev allocation. In ixp4xx_hss_probe, two separate HDLC netdevs were allocated: the first was stored in ndev, initialized, and registered, while the second was stored in port->netdev and later used by the remov...

CVE-2026-72057 net/sched: act_ct: preserve tc_skb_cb across defragmentation

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: preserve tcskbcb across defragmentation tcfcthandlefragments calls nfcthandlefragments without saving and restoring skb-cb. The defrag helper clears IPCB/IP6CB, which aliases the tcskbcb/qdiscskbcb control buffe...

CVE-2026-72051 net: ip6_tunnel: require CAP_NET_ADMIN in the device netns for changelink

In the Linux kernel, the following vulnerability has been resolved: net: ip6tunnel: require CAPNETADMIN in the device netns for changelink ip6tnlchangelink operates on at most two netns, devnetdev and the tunnel link netns t-net. They differ once the device is created in or moved to a netns other...

CVE-2026-72036 net/sched: sch_multiq: Replace direct dequeue call with peek and qdisc_dequeue_peeked

In the Linux kernel, the following vulnerability has been resolved: net/sched: schmultiq: Replace direct dequeue call with peek and qdiscdequeuepeeked multiqdequeue takes a packet from a band's child with a direct -dequeue call after multiqpeek peeked it. When the child is non-work-conserving the...

CVE-2026-72035

CVE-2026-72035 involves the Linux kernel net/sched, specifically sch_taprio. A direct dequeue call was replaced with a peek-based path via qdisc_dequeue_peeked to correct a bug where tapping a non-work-conserving child qdisc could cause an orphaned or desynced skb and, in some cases, dereference ...

CVE-2026-72032 net/mlx5: HWS, fix matcher leak on resize target setup failure

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, fix matcher leak on resize target setup failure hwsbwcmatchermove allocates a replacement matcher before setting it as the resize target. If mlx5hwsmatcherresizesettarget fails, the replacement matcher is not...

CVE-2026-72032

CVE-2026-72032 affects the Linux kernel’s net/mlx5 HWS path. In hws_bwc_matcher_move(), a replacement matcher is allocated before resize target is set; if mlx5hws_matcher_resize_set_target() fails, the replacement is not attached and leaks. The fix destroys the replacement matcher on the resize-t...

CVE-2026-72032 net/mlx5: HWS, fix matcher leak on resize target setup failure

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, fix matcher leak on resize target setup failure hwsbwcmatchermove allocates a replacement matcher before setting it as the resize target. If mlx5hwsmatcherresizesettarget fails, the replacement matcher is not...