by Kastro CVE-2026-53088
Linux Linux — net: bcmgenet: fix off-by-one in bcmgenet_put_txcb
Description · from the CVE record
In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix off-by-one in bcmgenet_put_txcb The write_ptr points to the next open tx_cb. We want to return the tx_cb that gets rewinded, so we must rewind the pointer first then return the tx_cb that it points to. That way the txcb can be correctly cleaned up.
Affected
ProductAffectedFixed inSource
Linux876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 – < 14e9f86564fff7bcf7f45c1b69080e837b31d18514e9f86564fff7bcf7f45c1b69080e837b31d185CNA
Linux876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 – < fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3defb9a3c1f547d0ff024dbfe7b6f327626ddf0a3deCNA
Linux876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 – < 85f34ec320d3881badfd4edc5fee5cd5012bb54d85f34ec320d3881badfd4edc5fee5cd5012bb54dCNA
Linux876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 – < 2a74590170427a3ca7cc4bb8690cdd559129c29c2a74590170427a3ca7cc4bb8690cdd559129c29cCNA
Linux876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 – < 29394f722f620281f2ee9a47f947734e53d72c9029394f722f620281f2ee9a47f947734e53d72c90CNA
Linux876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 – < 4cab761fc51c65aef741fcece4a18f3554edbc094cab761fc51c65aef741fcece4a18f3554edbc09CNA
Linux876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 – < 72df896e31ddd06fcc5a789f025ad7a62a18bc9b72df896e31ddd06fcc5a789f025ad7a62a18bc9bCNA
Linux876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 – < 57f3f53d2c9c5a9e133596e2f7bc1c50688a6d3857f3f53d2c9c5a9e133596e2f7bc1c50688a6d38CNA
Linux3bdf77194ea822390b405639b77659071fd2c2e9–CNA
Linux3.16.50 – < 3.173.17CNA
Linux4.13–CNA
Scores by source
Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total