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CVE and vendor PSIRT advisories from 13 sources, last 30 days. Updated hourly, last run Oct 26 03:05 UTC

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Expand	Severity	Score	Advisory	Title	Source	Flags	Published
	Critical	9.8	CVE-2026-99079	In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent stale XSK buffer release on refill retry When an XDP redirect to an AF_XDP socket fails... Linux, MellanoxLinux, Linux kernel, Mellanox mlx5e	NVD		Oct 23 13:17 UTC
CVE-2026-99079In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent stale XSK buffer release on refill retry When an XDP redirect to an AF_XDP socket fails... Executive summary The advisory covers a Linux kernel fix in the mlx5e network driver for Mellanox ConnectX adapters, in its zero-copy AF_XDP receive path. A failed redirect and partial buffer refill could let a stale buffer pointer be freed again, which could publish the same packet buffer twice and corrupt receive data. The advisory describes the fix as marking the buffer as released immediately after it is freed so refill retries no longer free stale pointers; it does not state a severity rating. Technical summary The flaw is a use-after-release or double-publication condition in the legacy cyclic receive queue of the mlx5e driver when zero-copy AF_XDP buffers are used with XDP redirect. When the XSK receive ring is full, a partial batched refill can leave a WQE with a stale buffer pointer, which a later retry may free again after the buffer has been reallocated. The fix sets the SKIP_RELEASE flag right after the driver-side free, and the commit cites Fixes 3f93f82988bc. The advisory does not state affected or fixed kernel version numbers, a CVSS score, a workaround, or whether exploitation has been observed. It gives no detection guidance beyond noting that the failure is silent and produces no kernel warning. Summaries are generated by AI from the linked advisory text. Confirm versions and fixes at the source. Summarized from git.kernel.org/stable/c/32bbb870078d467…5c21bbc4960c57eea208 Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction None Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Affects Linux Mellanox Linux Linux kernel Mellanox mlx5e NIST National Vulnerability DatabasePublished Oct 23, 2026 13:17 UTC Read the advisory

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