octeontx2-af: CGX: fix bitmap leaks

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Summary

CVECVE-2026-43157
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:33 UTC
Updated2026-05-06 13:07:51 UTC
DescriptionIn 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.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected e740003874edc13e468d19233f99787bedb4bb8e ad8a13a45c5c24d0d32de9a1c3fd58498a675ece git Not specified
CNA Linux Linux affected e740003874edc13e468d19233f99787bedb4bb8e 013ac469596a0b8671e62d89c89ae0bd46bbe667 git Not specified
CNA Linux Linux affected e740003874edc13e468d19233f99787bedb4bb8e ccef79af58b43787c25710c9da96651c6ddfe50f git Not specified
CNA Linux Linux affected e740003874edc13e468d19233f99787bedb4bb8e 6d389382ee655128056fbdab86baad8495ffbf33 git Not specified
CNA Linux Linux affected e740003874edc13e468d19233f99787bedb4bb8e ccca14bbdcc25829d355b9f4d3249f43dadb71c1 git Not specified
CNA Linux Linux affected e740003874edc13e468d19233f99787bedb4bb8e 3def995c4ede842adf509c410e92d09a0cedc965 git Not specified
CNA Linux Linux affected 5.18 Not specified
CNA Linux Linux unaffected 5.18 semver Not specified
CNA Linux Linux unaffected 6.1.165 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.128 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/ccef79af58b43787c25710c9da96651c6ddfe50f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ad8a13a45c5c24d0d32de9a1c3fd58498a675ece 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3def995c4ede842adf509c410e92d09a0cedc965 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ccca14bbdcc25829d355b9f4d3249f43dadb71c1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6d389382ee655128056fbdab86baad8495ffbf33 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/013ac469596a0b8671e62d89c89ae0bd46bbe667 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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