CVE-2026-63930

CVE-2026-63930 — Linux kernel iio: buffer: hw-consumer : The use-after-free occurs in the err_put_buffers cleanup path of iio_hw_consumer_alloc(), where the code used list_for_each_entry() to call iio_buffer_put() on each buffer. If a buffer’s refcount dropped to 0, iio_buffer_put() could free th...

CVE-2026-63930 iio: buffer: hw-consumer: fix use-after-free in error path

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: hw-consumer: fix use-after-free in error path In the errputbuffers cleanup path of iiohwconsumeralloc, the code was using listforeachentry to iterate through buffers while calling iiobufferput which can free the...

CVE-2026-63907

In the Linux kernel, the following vulnerability has been resolved: uio: uiopcigenericsva: fix double free of devmkzalloc memory uiopcisva allocates struct uiopcisvadev with devmkzalloc in probe, but then calls kfreeudev both on the probe error path label outfree and again in remove. Because...

CVE-2026-63885 drm/gem: fix race between change_handle and handle_delete

In the Linux kernel, the following vulnerability has been resolved: drm/gem: fix race between changehandle and handledelete drmgemchangehandleioctl leaves the old handle live in the IDR during the window between spinunlocktablelock and the final spinlocktablelock. A concurrent drmgemhandledelete ...

EUVD-2026-45557

In the Linux kernel, the following vulnerability has been resolved: esp: fix page frag reference leak on skbtosgvec failure In espoutputtail, when esp-inplace is false, the old skb page frags are replaced with a new page from the xfrm pagefrag cache. The source scatterlist sg is built from the ol...

CVE-2026-63864

The CVE affects the Linux kernel BPF tail-call path. Root cause: visit_tailcall_insn() was added without checking its return value, creating an unchecked error path in tail calls. A fix was applied in commit e40f5a6bf88a to correct stack liveness and propagate the error from visit_tailcall_insn()...

EUVD-2026-45548

In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from visittailcallinsn Commit e40f5a6bf88a "bpf: correct stack liveness for tail calls" added visittailcallinsn but did not check its return value...

CVE-2026-63864 bpf: Propagate error from visit_tailcall_insn

In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from visittailcallinsn Commit e40f5a6bf88a "bpf: correct stack liveness for tail calls" added visittailcallinsn but did not check its return value...

CVE-2026-63864 bpf: Propagate error from visit_tailcall_insn

In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from visittailcallinsn Commit e40f5a6bf88a "bpf: correct stack liveness for tail calls" added visittailcallinsn but did not check its return value...

CVE-2026-63864

In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from visittailcallinsn Commit e40f5a6bf88a "bpf: correct stack liveness for tail calls" added visittailcallinsn but did not check its return value...

CVE-2026-63863 drm/gpusvm: Fix unbalanced unlock in drm_gpusvm_scan_mm()

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: Fix unbalanced unlock in drmgpusvmscanmm There is a unbalanced lock/unlock to gpusvm notifier lock: 931.045868 ===================================== 931.046509 WARNING: bad unlock balance detected! 931.047149...

EUVD-2026-45521

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Check return code before setting timestamp output enaphcgettimex64 is setting the output parameter regardless of whether enacomphcgettimestamp succeeded or failed. When enacomphcgettimestamp returns an error, the...

CVE-2026-63837 net: ena: PHC: Check return code before setting timestamp output

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Check return code before setting timestamp output enaphcgettimex64 is setting the output parameter regardless of whether enacomphcgettimestamp succeeded or failed. When enacomphcgettimestamp returns an error, the...

CVE-2026-63837

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Check return code before setting timestamp output enaphcgettimex64 is setting the output parameter regardless of whether enacomphcgettimestamp succeeded or failed. When enacomphcgettimestamp returns an error, the...

CVE-2026-63820

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix missing read bio submission on large folio error f2fsreaddatalargefolio can keep a read bio across multiple readahead folios. If a later folio hits an error before any of its blocks are added to the bio, folioinbio is...

CVE-2026-63797

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Fix use-after-free on probe error path rpmsgchrdevprobe stores the newly allocated eptdev in the default endpoint's priv pointer before calling rpmsgchrdeveptdevadd. If rpmsgchrdeveptdevadd then fails, its error path...

CVE-2026-53396

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix posixacl leak and ignored error in nfsd4createfile nfsd4createfile has two bugs in its ACL handling: The return value of nfsd4acltoattr is silently discarded. When the NFSv4-to-POSIX ACL conversion fails e.g., -EINVAL f...

CVE-2026-53384

In the Linux kernel, the following vulnerability has been resolved: serial: 8250dw: unregister 8250 port if clknotifierregister fails dw8250probe registers the 8250 port via serial8250register8250port and then, if the device has a clock, registers a clock notifier. If clknotifierregister fails,...

CVE-2026-63822

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix warning when unbinding If there is an error during some initialization related to firmware, the buffers dp-txringi.txstatus are released. However this is released again when the device is unbinded ath11kpci, and...

CVE-2026-63820

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix missing read bio submission on large folio error f2fsreaddatalargefolio can keep a read bio across multiple readahead folios. If a later folio hits an error before any of its blocks are added to the bio, folioinbio is...