UBUNTU-CVE-2026-92508

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix potential use after free in ibfreecq When accessing a CQ via the netlink path the only synchronization mechanism for the said CQ is rdmarestrackget. Currently, rdmarestrackdel is invoked at the end of ibfreecq, whi...

UBUNTU-CVE-2026-90415

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: free STAG index when TPT entry write fails writetptentry allocates a new STAG index with c4iwgetresource and bumps stats.stag.cur before programming the entry. When writeadaptermem fails, it returns the error without...

UBUNTU-CVE-2026-92483

In the Linux kernel, the following vulnerability has been resolved: liveupdate: Remember FLB retrieve status LUO keeps track of successful retrieve attempts on an FLB. It does so to avoid multiple retrievals of the same FLB. Multiple retrievals cause problems because once the FLB is retrieved, th...

UBUNTU-CVE-2026-90422

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: pllfh: Fix IO remapping leak in registerpllfhs error path When mtkclkregisterpllfhs function fails to register a PLL, it unregisters all PLLs and cleans up itself in its error path before returning, so the function...

UBUNTU-CVE-2026-92507

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix potential use after free in ibdeallocpduser When accessing a PD via the netlink path the only synchronization mechanism for the said PD is rdmarestrackget. Currently, rdmarestrackdel is invoked at the end of...

UBUNTU-CVE-2026-90225

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: read llcpsock-local under the socket lock in getsockopt nfcllcpgetsockopt read llcpsock-local before locksocksk and then dereferenced the cached pointer inside the locked region. llcpsockbind assigns and clears...

UBUNTU-CVE-2026-90364

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Unregister cpufreq notifier on init failure acpiprocessordriverinit registers the cpufreq policy notifier before registering the ACPI processor driver and setting up CPU hotplug state. If driverregister or...

UBUNTU-CVE-2026-90245

In the Linux kernel, the following vulnerability has been resolved: fbdev: kyro: Validate overlay viewport coordinates The overlay viewport end coordinates are computed from the viewport origin and dimensions using 32-bit unsigned arithmetic. Large input values can cause these calculations to wra...

UBUNTU-CVE-2026-90165

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix invalid pointer dereference in ksmbdstopdurablescavenger See the procedure below: ksmbdlaunchksmbddurablescavenger durablescavengerrunning = true serverconf.dhtask = kthreadrun // fail, dhtask is an ERRPTR...

UBUNTU-CVE-2026-90236

In the Linux kernel, the following vulnerability has been resolved: NFSD: Release the export reference when reaping open stateids nfs4putstid releases the svcexport tracked in nfs4stid.scexport, but freeolstateidreaplist frees open and lock stateids by calling -scfree directly, bypassing that pat...

UBUNTU-CVE-2026-92486

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix CFI mismatch in task work callback BPF subprograms use the bpfcallbackt ABI, but task work invokes the callback through a three-argument function pointer. This trips kCFI. Store and invoke the callback as bpfcallbackt...

UBUNTU-CVE-2026-90392

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix potential UAF when reading bpf link info In bpflinkshowfdinfo and bpflinkgetinfobyfd, link-prog is accessed without holding any locks. If the prog is concurrently replaced via bpflinkupdate, the old prog can be freed,...

UBUNTU-CVE-2026-90276

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: stop daemon timer rearm on destroy llbitmapdestroy deletes pendingtimer before flushing mdllbitmapiowq. However, daemonwork can still be queued or running after the timer has been deleted, and the daemon path can...

UBUNTU-CVE-2026-93037

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Propagate sdmatxinitahg errors settxreqheaderahg ignores the return value of sdmatxinitahg. If sdmatxinitahg fails, it returns before initializing tx-txreq. However, settxreqheaderahg ignores the error and returns the...

UBUNTU-CVE-2026-90143

In the Linux kernel, the following vulnerability has been resolved: net: kcm: Hold RCU read lock while running BPF parser kcmparsefuncstrparser calls bpfprogrunpinoncpu which prevents CPU migration, but does not establish an RCU read-side critical section. Consequently, BPF map operations can...

UBUNTU-CVE-2026-90271

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fix a NULL pointer dereference on unbinding after an error interrupt If a user unbinds an MSC after mpamdisable has been run in response to an error interrupt then a dereference of a NULL pointer occurs as mpamdisable se...

UBUNTU-CVE-2026-90154

In the Linux kernel, the following vulnerability has been resolved: ksmbd: scope session state changes to bound connections ksmbdallconnsetstatus treats every connection whose transient binding flag is set as belonging to the target SessionId. A logoff or session replacement can consequently move...

UBUNTU-CVE-2026-90273

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is not called: - Branch broadcast is selected but not supported by the...

UBUNTU-CVE-2026-90259

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix a wrong length calculation in qgroupfreereserveddata In that function, we round down the start position and round up the ending position. But during the calculation of @len, we use "roundupstart + len,...

UBUNTU-CVE-2026-90230

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix heap out-of-bounds read in nvmetauthnegotiate nvmetexecuteauthsend allocates the DH-HMAC-CHAP message buffer with the host-supplied transfer length tl and hands it to nvmetauthnegotiate without passing tl along...