{"id":"CVE-2024-26680","state":"PUBLISHED","title":"net: atlantic: Fix DMA mapping for PTP hwts ring","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: atlantic: Fix DMA mapping for PTP hwts ring\n\nFunction aq_ring_hwts_rx_alloc() maps extra AQ_CFG_RXDS_DEF bytes\nfor PTP HWTS ring but then generic aq_ring_free() does not take this\ninto account.\nCreate and use a specific function to free HWTS ring to fix this\nissue.\n\nTrace:\n[  215.351607] ------------[ cut here ]------------\n[  215.351612] DMA-API: atlantic 0000:4b:00.0: device driver frees DMA memory with different size [device address=0x00000000fbdd0000] [map size=34816 bytes] [unmap size=32768 bytes]\n[  215.351635] WARNING: CPU: 33 PID: 10759 at kernel/dma/debug.c:988 check_unmap+0xa6f/0x2360\n...\n[  215.581176] Call Trace:\n[  215.583632]  <TASK>\n[  215.585745]  ? show_trace_log_lvl+0x1c4/0x2df\n[  215.590114]  ? show_trace_log_lvl+0x1c4/0x2df\n[  215.594497]  ? debug_dma_free_coherent+0x196/0x210\n[  215.599305]  ? check_unmap+0xa6f/0x2360\n[  215.603147]  ? __warn+0xca/0x1d0\n[  215.606391]  ? check_unmap+0xa6f/0x2360\n[  215.610237]  ? report_bug+0x1ef/0x370\n[  215.613921]  ? handle_bug+0x3c/0x70\n[  215.617423]  ? exc_invalid_op+0x14/0x50\n[  215.621269]  ? asm_exc_invalid_op+0x16/0x20\n[  215.625480]  ? check_unmap+0xa6f/0x2360\n[  215.629331]  ? mark_lock.part.0+0xca/0xa40\n[  215.633445]  debug_dma_free_coherent+0x196/0x210\n[  215.638079]  ? __pfx_debug_dma_free_coherent+0x10/0x10\n[  215.643242]  ? slab_free_freelist_hook+0x11d/0x1d0\n[  215.648060]  dma_free_attrs+0x6d/0x130\n[  215.651834]  aq_ring_free+0x193/0x290 [atlantic]\n[  215.656487]  aq_ptp_ring_free+0x67/0x110 [atlantic]\n...\n[  216.127540] ---[ end trace 6467e5964dd2640b ]---\n[  216.132160] DMA-API: Mapped at:\n[  216.132162]  debug_dma_alloc_coherent+0x66/0x2f0\n[  216.132165]  dma_alloc_attrs+0xf5/0x1b0\n[  216.132168]  aq_ring_hwts_rx_alloc+0x150/0x1f0 [atlantic]\n[  216.132193]  aq_ptp_ring_alloc+0x1bb/0x540 [atlantic]\n[  216.132213]  aq_nic_init+0x4a1/0x760 [atlantic]","publishedAt":"2024-04-02T07:01:44.050Z","updatedAt":"2026-05-11T20:02:07.476Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"94ad94558b0fbf18dd6fb0987540af1693157556","status":"affected","lessThan":"466ceebe48cbba3f4506f165fca7111f9eb8bb12","versionType":"git"},{"version":"94ad94558b0fbf18dd6fb0987540af1693157556","status":"affected","lessThan":"004fe5b7f59286a926a45e0cafc7870e9cdddd56","versionType":"git"},{"version":"94ad94558b0fbf18dd6fb0987540af1693157556","status":"affected","lessThan":"e42e334c645575be5432adee224975d4f536fdb1","versionType":"git"},{"version":"94ad94558b0fbf18dd6fb0987540af1693157556","status":"affected","lessThan":"2e7d3b67630dfd8f178c41fa2217aa00e79a5887","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/aquantia/atlantic/aq_ptp.c","drivers/net/ethernet/aquantia/atlantic/aq_ring.c","drivers/net/ethernet/aquantia/atlantic/aq_ring.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.5","versionType":"semver"},{"version":"6.1.78","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.17","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.5","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/aquantia/atlantic/aq_ptp.c","drivers/net/ethernet/aquantia/atlantic/aq_ring.c","drivers/net/ethernet/aquantia/atlantic/aq_ring.h"]}],"references":["https://git.kernel.org/stable/c/466ceebe48cbba3f4506f165fca7111f9eb8bb12","https://git.kernel.org/stable/c/004fe5b7f59286a926a45e0cafc7870e9cdddd56","https://git.kernel.org/stable/c/e42e334c645575be5432adee224975d4f536fdb1","https://git.kernel.org/stable/c/2e7d3b67630dfd8f178c41fa2217aa00e79a5887"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/26xxx/CVE-2024-26680.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-26680","state":"PUBLISHED","datePublished":"2024-04-02T07:01:44.050Z","dateUpdated":"2026-05-11T20:02:07.476Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-19T14:20:24.152Z"},"containers":{"cna":{"title":"net: atlantic: Fix DMA mapping for PTP hwts ring","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: atlantic: Fix DMA mapping for PTP hwts ring\n\nFunction aq_ring_hwts_rx_alloc() maps extra AQ_CFG_RXDS_DEF bytes\nfor PTP HWTS ring but then generic aq_ring_free() does not take this\ninto account.\nCreate and use a specific function to free HWTS ring to fix this\nissue.\n\nTrace:\n[  215.351607] ------------[ cut here ]------------\n[  215.351612] DMA-API: atlantic 0000:4b:00.0: device driver frees DMA memory with different size [device address=0x00000000fbdd0000] [map size=34816 bytes] [unmap size=32768 bytes]\n[  215.351635] WARNING: CPU: 33 PID: 10759 at kernel/dma/debug.c:988 check_unmap+0xa6f/0x2360\n...\n[  215.581176] Call Trace:\n[  215.583632]  <TASK>\n[  215.585745]  ? show_trace_log_lvl+0x1c4/0x2df\n[  215.590114]  ? show_trace_log_lvl+0x1c4/0x2df\n[  215.594497]  ? debug_dma_free_coherent+0x196/0x210\n[  215.599305]  ? check_unmap+0xa6f/0x2360\n[  215.603147]  ? __warn+0xca/0x1d0\n[  215.606391]  ? check_unmap+0xa6f/0x2360\n[  215.610237]  ? report_bug+0x1ef/0x370\n[  215.613921]  ? handle_bug+0x3c/0x70\n[  215.617423]  ? exc_invalid_op+0x14/0x50\n[  215.621269]  ? asm_exc_invalid_op+0x16/0x20\n[  215.625480]  ? check_unmap+0xa6f/0x2360\n[  215.629331]  ? mark_lock.part.0+0xca/0xa40\n[  215.633445]  debug_dma_free_coherent+0x196/0x210\n[  215.638079]  ? __pfx_debug_dma_free_coherent+0x10/0x10\n[  215.643242]  ? slab_free_freelist_hook+0x11d/0x1d0\n[  215.648060]  dma_free_attrs+0x6d/0x130\n[  215.651834]  aq_ring_free+0x193/0x290 [atlantic]\n[  215.656487]  aq_ptp_ring_free+0x67/0x110 [atlantic]\n...\n[  216.127540] ---[ end trace 6467e5964dd2640b ]---\n[  216.132160] DMA-API: Mapped at:\n[  216.132162]  debug_dma_alloc_coherent+0x66/0x2f0\n[  216.132165]  dma_alloc_attrs+0xf5/0x1b0\n[  216.132168]  aq_ring_hwts_rx_alloc+0x150/0x1f0 [atlantic]\n[  216.132193]  aq_ptp_ring_alloc+0x1bb/0x540 [atlantic]\n[  216.132213]  aq_nic_init+0x4a1/0x760 [atlantic]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"94ad94558b0fbf18dd6fb0987540af1693157556","status":"affected","lessThan":"466ceebe48cbba3f4506f165fca7111f9eb8bb12","versionType":"git"},{"version":"94ad94558b0fbf18dd6fb0987540af1693157556","status":"affected","lessThan":"004fe5b7f59286a926a45e0cafc7870e9cdddd56","versionType":"git"},{"version":"94ad94558b0fbf18dd6fb0987540af1693157556","status":"affected","lessThan":"e42e334c645575be5432adee224975d4f536fdb1","versionType":"git"},{"version":"94ad94558b0fbf18dd6fb0987540af1693157556","status":"affected","lessThan":"2e7d3b67630dfd8f178c41fa2217aa00e79a5887","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/aquantia/atlantic/aq_ptp.c","drivers/net/ethernet/aquantia/atlantic/aq_ring.c","drivers/net/ethernet/aquantia/atlantic/aq_ring.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.5","versionType":"semver"},{"version":"6.1.78","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.17","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.5","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/aquantia/atlantic/aq_ptp.c","drivers/net/ethernet/aquantia/atlantic/aq_ring.c","drivers/net/ethernet/aquantia/atlantic/aq_ring.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/466ceebe48cbba3f4506f165fca7111f9eb8bb12"},{"url":"https://git.kernel.org/stable/c/004fe5b7f59286a926a45e0cafc7870e9cdddd56"},{"url":"https://git.kernel.org/stable/c/e42e334c645575be5432adee224975d4f536fdb1"},{"url":"https://git.kernel.org/stable/c/2e7d3b67630dfd8f178c41fa2217aa00e79a5887"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:02:07.476Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.7.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-17T19:30:39.201984Z","id":"CVE-2024-26680","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-17T19:30:47.544Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/466ceebe48cbba3f4506f165fca7111f9eb8bb12","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/004fe5b7f59286a926a45e0cafc7870e9cdddd56","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/e42e334c645575be5432adee224975d4f536fdb1","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/2e7d3b67630dfd8f178c41fa2217aa00e79a5887","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T00:14:12.696Z"}}]}}}