{"id":"CVE-2026-98051","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmasp: fix tx_spb_ring_full() checking same slot cnt times\n\nThe loop initialised next_index from intf->tx_spb_index on every\niteration, so incr_ring() always prod…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmasp: fix tx_spb_ring_full() checking same slot cnt times\n\nThe loop initialised next_index from intf->tx_spb_index on every\niteration, so incr_ring() always prod…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-670","CWE-120"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.6, < 6.6.158","linux_kernel >= 6.7, < 6.12.111","linux_kernel >= 6.13, < 6.18.53","linux_kernel >= 6.19, < 7.2.7","linux_kernel = 7.3"],"patched":["linux_kernel 7.2.7"],"published":"2026-09-25","updated":"2026-10-06","sourceUpdated":"2026-10-06T12:59:12.623","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98051","references":[{"url":"https://git.kernel.org/stable/c/0c5cf62e72d7a666ee4da757e122dc1600df1ecc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5df7ecd302488287665ab9767bacba7ed7e2842f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/990df1ba4d0805d1e7f6148c364febd2ab618766","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a8bddab54aa68b407f12294acb05bd552fb6a492","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f7f7a16dd46ace4e221336a184c7806f7de19547","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98051.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98051"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541311"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98051"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98051"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98051.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00122,"epssPercentile":0.0197,"ingestedAt":"2026-09-25T11:06:38.846Z","slug":"CVE-2026-98051","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmasp: fix tx_spb_ring_full() checking same slot cnt times\n\nThe loop initialised next_index from intf->tx_spb_index on every\niteration, so incr_ring() always produced the same result and only\none slot was ever tested.  Move the initialisation before the loop\nso each iteration advances next_index and the function correctly\nchecks that cnt consecutive descriptor slots are available before\nallowing a new transmission.\n\n## Affected\n\n- `linux_kernel >= 6.6, < 6.6.158`\n- `linux_kernel >= 6.7, < 6.12.111`\n- `linux_kernel >= 6.13, < 6.18.53`\n- `linux_kernel >= 6.19, < 7.2.7`\n- `linux_kernel = 7.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 7.2.7`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-09-28 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98051.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":212396,"id":"CVE-2026-98051","ts":1790668181723,"field":"cvss","old":null,"new":"5.5"},{"seq":212395,"id":"CVE-2026-98051","ts":1790668181723,"field":"severity","old":"none","new":"medium"}]}