USN-8489-1 linux-oem-7.0 vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

CVE-2026-53349

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: destroy stale expectfn expectations on unregister NAT helpers such as nfnath323 store a raw pointer to module text in exp-expectfn e.g. ipnatq931expect. nfcthelperexpectfnunregister only unlinks the callba...

CVE-2026-53344

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mcp23s08: Initialize mcp-dev and mcp-addr before regmap init Regmap initialization triggers regcachemaplepopulate which attempts SPI read to populate cache. SPI read requires mcp-dev and mcp-addr to be set, without them,...

CVE-2026-53348

In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: fix NULL pointer dereference in sdcadevunregisterfunctions sdcadevunregisterfunctions iterates over all SDCA function descriptors and calls sdcadevunregister on each funcdev without checking for NULL. When a function...

CVE-2026-53338

In the Linux kernel, the following vulnerability has been resolved: net: airoha: Add NULL check for ofreservedmemlookup in airohaqdmainithfwdqueues ofreservedmemlookup may return NULL if the reserved memory region referenced by the "memory-region" phandle is not found in the reserved memory table...

CVE-2026-53339

In the Linux kernel, the following vulnerability has been resolved: i2c: qcom-cci: Fix NULL pointer dereference in cciremove On all modern platforms Qualcomm CCI controller provides two I2C masters, and on particular boards only one I2C master may be initialized, and in such cases the device...

CVE-2026-53334

In the Linux kernel, the following vulnerability has been resolved: mm/damon/reclaim: handle ctx allocation failure Patch series "mm/damon/reclaim,lrusort: handle ctx allocation failures". DAMONRECLAIM and DAMONLRUSORT could dereference NULL pointers if their damonctx object allocations fail. The...

CVE-2026-53337

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix NULL pointer dereference in bonddoioctl In bonddoioctl, slavedev is obtained via devgetbyname which can return NULL if the requested interface name does not exist. However, the subsequent slavedbg call is placed...

CVE-2026-53335

In the Linux kernel, the following vulnerability has been resolved: mm/damon/lrusort: handle ctx allocation failure DAMONLRUSORT allocates the damonctx object for its kdamond in its init function. damonlrusortenabledstore wrongly assumes the allocation will always succeed once tried. If the...

UBUNTU-CVE-2026-53348

In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: fix NULL pointer dereference in sdcadevunregisterfunctions sdcadevunregisterfunctions iterates over all SDCA function descriptors and calls sdcadevunregister on each funcdev without checking for NULL. When a function...

UBUNTU-CVE-2026-53339

In the Linux kernel, the following vulnerability has been resolved: i2c: qcom-cci: Fix NULL pointer dereference in cciremove On all modern platforms Qualcomm CCI controller provides two I2C masters, and on particular boards only one I2C master may be initialized, and in such cases the device...

CVE-2026-53348

In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: fix NULL pointer dereference in sdcadevunregisterfunctions sdcadevunregisterfunctions iterates over all SDCA function descriptors and calls sdcadevunregister on each funcdev without checking for NULL. When a function...

UBUNTU-CVE-2026-53334

In the Linux kernel, the following vulnerability has been resolved: mm/damon/reclaim: handle ctx allocation failure Patch series "mm/damon/reclaim,lrusort: handle ctx allocation failures". DAMONRECLAIM and DAMONLRUSORT could dereference NULL pointers if their damonctx object allocations fail. The...

UBUNTU-CVE-2026-53335

In the Linux kernel, the following vulnerability has been resolved: mm/damon/lrusort: handle ctx allocation failure DAMONLRUSORT allocates the damonctx object for its kdamond in its init function. damonlrusortenabledstore wrongly assumes the allocation will always succeed once tried. If the...

CVE-2026-53335

In the Linux kernel, the following vulnerability has been resolved: mm/damon/lrusort: handle ctx allocation failure DAMONLRUSORT allocates the damonctx object for its kdamond in its init function. damonlrusortenabledstore wrongly assumes the allocation will always succeed once tried. If the...

CVE-2026-53355

In the Linux kernel, the following vulnerability has been resolved: net: rds: clear isends on setup unwind The RDS IB connection teardown path is written so it can run during partial startup and on repeated shutdown attempts. It uses NULL pointers to distinguish resources that are still owned fro...

CVE-2026-53334

In the Linux kernel, the following vulnerability has been resolved: mm/damon/reclaim: handle ctx allocation failure Patch series "mm/damon/reclaim,lrusort: handle ctx allocation failures". DAMONRECLAIM and DAMONLRUSORT could dereference NULL pointers if their damonctx object allocations fail. The...

CVE-2026-53338

In the Linux kernel, the following vulnerability has been resolved: net: airoha: Add NULL check for ofreservedmemlookup in airohaqdmainithfwdqueues ofreservedmemlookup may return NULL if the reserved memory region referenced by the "memory-region" phandle is not found in the reserved memory table...

CVE-2026-53350

In the Linux kernel, the following vulnerability has been resolved: ASoC: wmadsp: Fix NULL dereference when removing firmware controls In wmadspcontrolremove check that the priv pointer is not NULL before attempting to cleanup what it points to. When csdsp creates a control it calls...

CVE-2026-53337

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix NULL pointer dereference in bonddoioctl In bonddoioctl, slavedev is obtained via devgetbyname which can return NULL if the requested interface name does not exist. However, the subsequent slavedbg call is placed...