CVE-2026-53088net: bcmgenet: fix off-by-one in bcmgenet_put_txcb
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Analyzed
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 builds before 14e9f86564fff7bcf7f45c1b69080e837b31d185; from 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 before fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de; 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 builds before 85f34ec320d3881badfd4edc5fee5cd5012bb54d; 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 builds before 2a74590170427a3ca7cc4bb8690cdd559129c29c; from 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 before 29394f722f620281f2ee9a47f947734e53d72c90; 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 builds before 4cab761fc51c65aef741fcece4a18f3554edbc09; 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 builds before 72df896e31ddd06fcc5a789f025ad7a62a18bc9b; 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 builds before 57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38; and 2 more ranges | CNA record |
linux linux_kernel linux:linux_kernel | from 3.16.50 before 3.17; from 4.13.1 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.141; from 6.7 before 6.12.91; from 6.13 before 6.18.33; from 6.19 before 7.0.10; and 7 more ranges | NVD |
References
- https://git.kernel.org/stable/c/14e9f86564fff7bcf7f45c1b69080e837b31d185patch
- https://git.kernel.org/stable/c/fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3depatch
- https://git.kernel.org/stable/c/85f34ec320d3881badfd4edc5fee5cd5012bb54dpatch
- https://git.kernel.org/stable/c/2a74590170427a3ca7cc4bb8690cdd559129c29cpatch
- https://git.kernel.org/stable/c/29394f722f620281f2ee9a47f947734e53d72c90patch
- https://git.kernel.org/stable/c/4cab761fc51c65aef741fcece4a18f3554edbc09patch
- https://git.kernel.org/stable/c/72df896e31ddd06fcc5a789f025ad7a62a18bc9bpatch
- https://git.kernel.org/stable/c/57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.