UBUNTU-CVE-2026-72391

In the Linux kernel, the following vulnerability has been resolved: net: phy: sfp: free miibus in sfpi2cmdiobusdestroy sfpi2cmdiobuscreate allocates the I2C MDIO bus with mdioi2calloc, a plain non-devm allocation, and registers it. sfpi2cmdiobusdestroy only unregisters the bus and clears sfp-i2cm...

UBUNTU-CVE-2026-74369

In the Linux kernel, the following vulnerability has been resolved: liveupdate: fix u-a-f in luofileunpreservefiles and luofilefinish In luofileunpreservefiles and luofilefinish, reorder moduleput and xaerase to ensure the file handler module remains pinned while its operations are being accessed...

CVE-2026-72167

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: pl353: fix probe resource allocation During probe, the devmioremap is called with the parent device instead of the current one. So when the module is unloaded, the register area isn't released. Target the pl35x devi...

UBUNTU-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-2026-74369 liveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_file_finish()

In the Linux kernel, the following vulnerability has been resolved: liveupdate: fix u-a-f in luofileunpreservefiles and luofilefinish In luofileunpreservefiles and luofilefinish, reorder moduleput and xaerase to ensure the file handler module remains pinned while its operations are being accessed...

CVE-2026-74369

The CVE-2026-74369 entries describe a Linux kernel vulnerability fix in the liveupdate path, specifically in luo_file_unpreserve_files() and luo_file_finish(). The issue was improper ordering of module_put() and xa_erase() which could affect a file handler module while its operations were accesse...

CVE-2026-74347 netfilter: cttimeout: detach dataplane timeout policy and repurpose refcount

In the Linux kernel, the following vulnerability has been resolved: netfilter: cttimeout: detach dataplane timeout policy and repurpose refcount Add a refcount for struct nfcttimeout which is used by ct extension to set the custom ct timeout policy, this tells us that the ct timeout is being used...

EUVD-2026-59494

In the Linux kernel, the following vulnerability has been resolved: netfilter: cttimeout: detach dataplane timeout policy and repurpose refcount Add a refcount for struct nfcttimeout which is used by ct extension to set the custom ct timeout policy, this tells us that the ct timeout is being used...

CVE-2026-74342

In the Linux kernel, the following vulnerability has been resolved: kernfs: link kn to its parent before the LSM init hook After commit 12e9e3cd03b5 "simpexattr: use per-sb cache", kernfsxattrset and kernfsxattrget compute the cache via kernfsrootkn before any other check. kernfsrootkn walks...

EUVD-2026-59417

In the Linux kernel, the following vulnerability has been resolved: handshake: Require admin permission for DONE command ACCEPT and DONE are the two downcalls of the handshake genl family, both intended for use by the trusted handshake agent tlshd. ACCEPT already requires GENLADMINPERM; DONE has ...

EUVD-2026-59360

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix refcount leak when updating the skctx Currently updateskctx transfers the plabel reference, unfortunately it is also unconditionally put in the caller. Ideally we would make the caller conditionally put the referenc...

EUVD-2026-59359

In the Linux kernel, the following vulnerability has been resolved: apparmor: check label build before nonewprivs test aachangeprofile builds a replacement label with fnlabelbuildinscope before the nonewprivs subset check. The build helper can fail and return NULL or an ERRPTR, but the result was...

EUVD-2026-59330

In the Linux kernel, the following vulnerability has been resolved: alloctag: fix use-after-free in /proc/allocinfo after module unload allocinfostart only reinitializes the codetag iterator at position 0. For subsequent reads position 0, it reuses cached iterator state from the previous batch...

CVE-2026-72431 alloc_tag: fix use-after-free in /proc/allocinfo after module unload

In the Linux kernel, the following vulnerability has been resolved: alloctag: fix use-after-free in /proc/allocinfo after module unload allocinfostart only reinitializes the codetag iterator at position 0. For subsequent reads position 0, it reuses cached iterator state from the previous batch...

CVE-2026-72431 alloc_tag: fix use-after-free in /proc/allocinfo after module unload

In the Linux kernel, the following vulnerability has been resolved: alloctag: fix use-after-free in /proc/allocinfo after module unload allocinfostart only reinitializes the codetag iterator at position 0. For subsequent reads position 0, it reuses cached iterator state from the previous batch...

CVE-2026-72431

CVE-2026-72431 describes a use-after-free in Linux kernel /proc/allocinfo handling after module unload. The issue arises because allocinfo_start() reinitializes the codetag iterator only at pos=0, but subsequent reads reuse a cached iterator state. allocinfo_stop() releases mod_lock between batch...

CVE-2026-72391

Summary: CVE-2026-72391 affects the Linux kernel’s SFP MDIO bus handling. The code path in net: phy: sfp: free mii_bus in sfp_i2c_mdiobus_destroy previously leaked the struct mii_bus. The creation path allocates the I2C MDIO bus with mdio_i2c_alloc() (plain non-devm allocation) and registers it, ...

EUVD-2026-59290

In the Linux kernel, the following vulnerability has been resolved: net: phy: sfp: free miibus in sfpi2cmdiobusdestroy sfpi2cmdiobuscreate allocates the I2C MDIO bus with mdioi2calloc, a plain non-devm allocation, and registers it. sfpi2cmdiobusdestroy only unregisters the bus and clears sfp-i2cm...

CVE-2026-72391 net: phy: sfp: free mii_bus in sfp_i2c_mdiobus_destroy

In the Linux kernel, the following vulnerability has been resolved: net: phy: sfp: free miibus in sfpi2cmdiobusdestroy sfpi2cmdiobuscreate allocates the I2C MDIO bus with mdioi2calloc, a plain non-devm allocation, and registers it. sfpi2cmdiobusdestroy only unregisters the bus and clears sfp-i2cm...

CVE-2026-72391 net: phy: sfp: free mii_bus in sfp_i2c_mdiobus_destroy

In the Linux kernel, the following vulnerability has been resolved: net: phy: sfp: free miibus in sfpi2cmdiobusdestroy sfpi2cmdiobuscreate allocates the I2C MDIO bus with mdioi2calloc, a plain non-devm allocation, and registers it. sfpi2cmdiobusdestroy only unregisters the bus and clears sfp-i2cm...