In the Linux kernel, the following vulnerability has been resolved:

net: atlantic: free RX pages of consumed but not refilled buffers

aq_ring_rx_deinit() only walks [sw_head, sw_tail), the region posted to
hardware. Since the page reuse strategy was added, a cleaned RX buffer
keeps its page (and its DMA mapping) in the ring for reuse, and refill
is batched: aq_ring_rx_fill() returns early until AQ_CFG_RX_REFILL_THRES
slots are free. Slots that were consumed but not yet reposted therefore
sit in the complementary [sw_tail, sw_head) gap with a live page, and
the deinit walk never visits them: up to a refill batch worth of pages
and DMA mappings leak on every interface down.

Walk the whole ring instead and release whatever is still there. Also
bail out if the buffer ring is already gone: a partial
aq_ptp_ring_alloc() failure frees the ring but leaves aq_nic set, so
aq_ptp_ring_deinit() still gets here on the unwind path.

https://git.kernel.org/stable/c/17c99dd86f169c7a3e73d6778e79ef5b1ed3ceac

https://git.kernel.org/stable/c/1e58b0bab40dcbdfc04acaba6a221d40801c3770

https://git.kernel.org/stable/c/24d87dc28ddd3771dd0e88719209811809729439

https://git.kernel.org/stable/c/30c473ea097ef0c93b064281b3e295c97d17e28b

https://git.kernel.org/stable/c/64e1346bc66b947eb80b848e4c8d9828ba50e0fe

https://git.kernel.org/stable/c/782cc40b7ade4614a8aec0b948b8cf95c69f8d4b

https://git.kernel.org/stable/c/e8e7471ef686b6c002218fee9671cc61992ae01a

https://git.kernel.org/stable/c/ff451bc4290b79c04f1c5cfa928d448f9d47ecf5

[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/net/ethernet/aquantia/atlantic/aq_ring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"46f4c29d9de6e4a9d4ed7de9a37dd42501d89f86","lessThan":"1e58b0bab40dcbdfc04acaba6a221d40801c3770","versionType":"git","status":"affected"},{"version":"46f4c29d9de6e4a9d4ed7de9a37dd42501d89f86","lessThan":"30c473ea097ef0c93b064281b3e295c97d17e28b","versionType":"git","status":"affected"},{"version":"46f4c29d9de6e4a9d4ed7de9a37dd42501d89f86","lessThan":"17c99dd86f169c7a3e73d6778e79ef5b1ed3ceac","versionType":"git","status":"affected"},{"version":"46f4c29d9de6e4a9d4ed7de9a37dd42501d89f86","lessThan":"ff451bc4290b79c04f1c5cfa928d448f9d47ecf5","versionType":"git","status":"affected"},{"version":"46f4c29d9de6e4a9d4ed7de9a37dd42501d89f86","lessThan":"64e1346bc66b947eb80b848e4c8d9828ba50e0fe","versionType":"git","status":"affected"},{"version":"46f4c29d9de6e4a9d4ed7de9a37dd42501d89f86","lessThan":"782cc40b7ade4614a8aec0b948b8cf95c69f8d4b","versionType":"git","status":"affected"},{"version":"46f4c29d9de6e4a9d4ed7de9a37dd42501d89f86","lessThan":"24d87dc28ddd3771dd0e88719209811809729439","versionType":"git","status":"affected"},{"version":"46f4c29d9de6e4a9d4ed7de9a37dd42501d89f86","lessThan":"e8e7471ef686b6c002218fee9671cc61992ae01a","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/net/ethernet/aquantia/atlantic/aq_ring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"5.2","status":"affected"},{"version":"0","lessThan":"5.2","versionType":"semver","status":"unaffected"},{"version":"5.10.265","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.15.216","lessThanOrEqual":"5.15.*","versionType":"semver","status":"unaffected"},{"version":"6.1.183","lessThanOrEqual":"6.1.*","versionType":"semver","status":"unaffected"},{"version":"6.6.152","lessThanOrEqual":"6.6.*","versionType":"semver","status":"unaffected"},{"version":"6.12.104","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.45","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"7.1.9","lessThanOrEqual":"7.1.*","versionType":"semver","status":"unaffected"},{"version":"7.2","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]