CVE-2026-43494

In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails When iovitergetpages2 fails in rdsmessagezcopyfromuser, the pinned pages are released with putpage, and rm-data.opmmpznotifier is cleared. But we fail to properly clear...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an incorrect inference of the zero-copy status during the cleanup phase before messages are...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure of zero-copy page fixing in the rdsmessagezcopyfromuser function. This failure does n...

Advisory ROSA-SA-2026-3288

software: kernel-6.6 6.6.126 WASP: ROSA-CHROME unaffected versions = kernel-6.6-6.6.6.126-6 affected versions data.opnents field during buffer management. By exploiting the RDS TCP transport SORDSTRANSPORT=2 in conjunction with iouring, a local unprivileged attacker can cause memory corruption an...

Advisory ROSA-SA-2026-3287

software: kernel-6.12 6.12.74 WASP: ROSA-CHROME unaffected versions = kernel-6.12-6.12.74-13 affected versions data.opnents field during buffer management. By exploiting the RDS TCP transport SORDSTRANSPORT=2 in conjunction with iouring, a local unprivileged attacker can cause memory corruption a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: igb: The napisynchronize function was removed from igbdown. When an AFXDP zero-copy application terminates abruptly e.g., using kill -9, the XSK buffer pool is destroyed, but NAPI polling continues. The igbcleanrxirqzc functio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ublk: Clean up user copy references on the ublk server exit. If a ublk server process releases a ublk character device file, any requests dispatched to the ublk server but not yet completed will retain a reference value of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: TCP: Handle the mixed splice/sendmsgMSGZEROCOPY case syzbot found that mixing calls to sendpage and sendmsgMSGZEROCOPY using the same TCP socket would trigger the infamous warning in inetsockdestruct. c WARNONskforwardallocgetsk;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: The recycle buffer was handled in cases where the Rx queue was full. A missing call to xskbufffree was added when xskrcvzc failed to produce a descriptor for the XSK Rx queue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ti: icssg-prueth: Fixed a memory leak in XDPDROP for the non-zero-copy mode. Page recycling was removed from the XDPDROP path in emacrunxdp to avoid conflicts with the AFXDP zero-copy mode, which uses xskbufffree instead...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: skbuff: In skbSegment, call zero-copy functions before using skbuff fragments. The commit bf5c25d60861 added the call to zero-copy functions in skbSegment. This change introduced a bug in skbSegment, as skborphanfrags may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the ice module, the value of fragsize in the XDP RxQ information was changed from the DMA write length to xdp.framesz. The only user of the fragsize field in the XDP RxQ information is bpfxdpfragsincreasetail. This function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: ti: icssg-prueth: Fixed the issue of missing data copying and incorrect recycling in ZC RX dispatch. The emacdispatchskbzc function allocates a new skb using napiallocskb. However, it never copies the packet data from the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix for crashes that occur when the regular task queue is reactivated. When the regular task queue is reactivated after the XSK socket is closed, it may read stale cancellation requests cqe, which can eventually...

EUVD-2026-29037

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb to a linear one before calling into the security o...

CVE-2026-43500

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb to a linear one before calling into the security o...

CVE-2026-43500 rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb to a linear one before calling into the security o...

CVE-2026-43500

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb to a linear one before calling into the security o...

SUSE CVE-2026-43092

In the Linux kernel, the following vulnerability has been resolved: xsk: validate MTU against usable frame size on bind AFXDP bind currently accepts zero-copy pool configurations without verifying that the device MTU fits into the usable frame space provided by the UMEM chunk. This becomes a...

CVE-2026-43121

CVE-2026-43121 involves the Linux kernel io_uring/zcrx race between scrub and refill paths. The non-atomic read-then-decrement of the user_refs can race with io_zcrx_scrub() using atomic_xchg, causing a double-free of a niov and an out-of-bounds write past the freelist array. The fix replaces the...