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Description

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: CGX: fix bitmap leaks The RX/TX flow-control bitmaps (rx_fc_pfvf_bmap and tx_fc_pfvf_bmap) are allocated by cgx_lmac_init() but never freed in cgx_lmac_exit(). Unbinding and rebinding the driver therefore triggers kmemleak: unreferenced object (size 16): backtrace: rvu_alloc_bitmap cgx_probe Free both bitmaps during teardown.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-06 | Updated 2026-05-06 | Assigner Linux

Product status

Default status
unaffected

e740003874edc13e468d19233f99787bedb4bb8e (git) before ad8a13a45c5c24d0d32de9a1c3fd58498a675ece
affected

e740003874edc13e468d19233f99787bedb4bb8e (git) before 013ac469596a0b8671e62d89c89ae0bd46bbe667
affected

e740003874edc13e468d19233f99787bedb4bb8e (git) before ccef79af58b43787c25710c9da96651c6ddfe50f
affected

e740003874edc13e468d19233f99787bedb4bb8e (git) before 6d389382ee655128056fbdab86baad8495ffbf33
affected

e740003874edc13e468d19233f99787bedb4bb8e (git) before ccca14bbdcc25829d355b9f4d3249f43dadb71c1
affected

e740003874edc13e468d19233f99787bedb4bb8e (git) before 3def995c4ede842adf509c410e92d09a0cedc965
affected

Default status
affected

5.18
affected

Any version before 5.18
unaffected

6.1.165 (semver)
unaffected

6.6.128 (semver)
unaffected

6.12.75 (semver)
unaffected

6.18.16 (semver)
unaffected

6.19.6 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/ad8a13a45c5c24d0d32de9a1c3fd58498a675ece

git.kernel.org/...c/013ac469596a0b8671e62d89c89ae0bd46bbe667

git.kernel.org/...c/ccef79af58b43787c25710c9da96651c6ddfe50f

git.kernel.org/...c/6d389382ee655128056fbdab86baad8495ffbf33

git.kernel.org/...c/ccca14bbdcc25829d355b9f4d3249f43dadb71c1

git.kernel.org/...c/3def995c4ede842adf509c410e92d09a0cedc965

cve.org (CVE-2026-43157)

nvd.nist.gov (CVE-2026-43157)

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