EUVD-2026-45710

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Use READONCE when reading entries/indices from PSC buffer Use READONCE when reading entries/indices from the guest-accessible Page State Change buffer to defend against TOCTOU bugs. Don't bother with READONCE/WRITEONCE...

CVE-2026-63937 KVM: SEV: Use READ_ONCE() when reading entries/indices from PSC buffer

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Use READONCE when reading entries/indices from PSC buffer Use READONCE when reading entries/indices from the guest-accessible Page State Change buffer to defend against TOCTOU bugs. Don't bother with READONCE/WRITEONCE...

CVE-2026-63937

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Use READONCE when reading entries/indices from PSC buffer Use READONCE when reading entries/indices from the guest-accessible Page State Change buffer to defend against TOCTOU bugs. Don't bother with READONCE/WRITEONCE...

CVE-2026-63912 xfrm: esp: restore combined single-frag length gate

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

CVE-2026-63912 xfrm: esp: restore combined single-frag length gate

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

CVE-2026-63912

The CVE concerns the Linux kernel XFRM/ESP path. The vulnerability arises in the ESP out-of-place fast path where an out-of-line trailer is written before dest page frag allocation; the head gate and tail code previously treated skb->data_len and tailen separately, risking an overflow when the...

EUVD-2026-45685

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

CVE-2026-63912

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

CVE-2026-63896 usb: gadget: composite: fix integer underflow in WebUSB GET_URL handling

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix integer underflow in WebUSB GETURL handling The WebUSB GETURL handler in compositesetup narrows landingpagelength to fit the host-supplied wLength using landingpagelength = wlength -...

EUVD-2026-45669

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix integer underflow in WebUSB GETURL handling The WebUSB GETURL handler in compositesetup narrows landingpagelength to fit the host-supplied wLength using landingpagelength = wlength -...

CVE-2026-63896 usb: gadget: composite: fix integer underflow in WebUSB GET_URL handling

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix integer underflow in WebUSB GETURL handling The WebUSB GETURL handler in compositesetup narrows landingpagelength to fit the host-supplied wLength using landingpagelength = wlength -...

CVE-2026-63896

The CVE-2026-63896 entry documents a Linux kernel flaw in usb: gadget: composite: GET_URL handling for WebUSB, where landing_page_length is miscomputed as an unsigned difference when wLength

CVE-2026-63896

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix integer underflow in WebUSB GETURL handling The WebUSB GETURL handler in compositesetup narrows landingpagelength to fit the host-supplied wLength using landingpagelength = wlength -...

EUVD-2026-45760

In the Linux kernel, the following vulnerability has been resolved: arm64: tlb: Flush walk cache when unsharing PMD tables When hugepmdunshare is called to unshare a PMD table, the tlbunsharepmdptdesc function sets tlb-unsharedtables=true but the aarch64 tlbflush only checked tlb-freedtables to...

CVE-2026-63875 arm64: tlb: Flush walk cache when unsharing PMD tables

In the Linux kernel, the following vulnerability has been resolved: arm64: tlb: Flush walk cache when unsharing PMD tables When hugepmdunshare is called to unshare a PMD table, the tlbunsharepmdptdesc function sets tlb-unsharedtables=true but the aarch64 tlbflush only checked tlb-freedtables to...

CVE-2026-63872 esp: fix page frag reference leak on skb_to_sgvec failure

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...

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-2026-63872

CVE-2026-63872 affects the Linux kernel esp path (esp4/esp6) where, on skb_to_sgvec failure during esp_output_tail, old skb page fragments are not unrefsed when a second scatterlist build fails. The root cause: a page frag reference leak in the source scatterlist if the destination sgvec creation...

CVE-2026-63872 esp: fix page frag reference leak on skb_to_sgvec failure

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-2026-63872

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...