{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-38042", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.978Z", "datePublished": "2025-06-18T09:33:27.214Z", "dateUpdated": "2026-05-11T21:20:09.930Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:20:09.930Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: ti: k3-udma-glue: Drop skip_fdq argument from k3_udma_glue_reset_rx_chn\n\nThe user of k3_udma_glue_reset_rx_chn() e.g. ti_am65_cpsw_nuss can\nrun on multiple platforms having different DMA architectures.\nOn some platforms there can be one FDQ for all flows in the RX channel\nwhile for others there is a separate FDQ for each flow in the RX channel.\n\nSo far we have been relying on the skip_fdq argument of\nk3_udma_glue_reset_rx_chn().\n\nInstead of relying on the user to provide this information, infer it\nbased on DMA architecture during k3_udma_glue_request_rx_chn() and save it\nin an internal flag 'single_fdq'. Use that flag at\nk3_udma_glue_reset_rx_chn() to deicide if the FDQ needs\nto be cleared for every flow or just for flow 0.\n\nFixes the below issue on ti_am65_cpsw_nuss driver on AM62-SK.\n\n> ip link set eth1 down\n> ip link set eth0 down\n> ethtool -L eth0 rx 8\n> ip link set eth0 up\n> modprobe -r ti_am65_cpsw_nuss\n\n[ 103.045726] ------------[ cut here ]------------\n[ 103.050505] k3_knav_desc_pool size 512000 != avail 64000\n[ 103.050703] WARNING: CPU: 1 PID: 450 at drivers/net/ethernet/ti/k3-cppi-desc-pool.c:33 k3_cppi_desc_pool_destroy+0xa0/0xa8 [k3_cppi_desc_pool]\n[ 103.068810] Modules linked in: ti_am65_cpsw_nuss(-) k3_cppi_desc_pool snd_soc_hdmi_codec crct10dif_ce snd_soc_simple_card snd_soc_simple_card_utils display_connector rtc_ti_k3 k3_j72xx_bandgap tidss drm_client_lib snd_soc_davinci_mcas\np drm_dma_helper tps6598x phylink snd_soc_ti_udma rti_wdt drm_display_helper snd_soc_tlv320aic3x_i2c typec at24 phy_gmii_sel snd_soc_ti_edma snd_soc_tlv320aic3x sii902x snd_soc_ti_sdma sa2ul omap_mailbox drm_kms_helper authenc cfg80211 r\nfkill fuse drm drm_panel_orientation_quirks backlight ip_tables x_tables ipv6 [last unloaded: k3_cppi_desc_pool]\n[ 103.119950] CPU: 1 UID: 0 PID: 450 Comm: modprobe Not tainted 6.13.0-rc7-00001-g9c5e3435fa66 #1011\n[ 103.119968] Hardware name: Texas Instruments AM625 SK (DT)\n[ 103.119974] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 103.119983] pc : k3_cppi_desc_pool_destroy+0xa0/0xa8 [k3_cppi_desc_pool]\n[ 103.148007] lr : k3_cppi_desc_pool_destroy+0xa0/0xa8 [k3_cppi_desc_pool]\n[ 103.154709] sp : ffff8000826ebbc0\n[ 103.158015] x29: ffff8000826ebbc0 x28: ffff0000090b6300 x27: 0000000000000000\n[ 103.165145] x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000019df6b0\n[ 103.172271] x23: ffff0000019df6b8 x22: ffff0000019df410 x21: ffff8000826ebc88\n[ 103.179397] x20: 000000000007d000 x19: ffff00000a3b3000 x18: 0000000000000000\n[ 103.186522] x17: 0000000000000000 x16: 0000000000000000 x15: 000001e8c35e1cde\n[ 103.193647] x14: 0000000000000396 x13: 000000000000035c x12: 0000000000000000\n[ 103.200772] x11: 000000000000003a x10: 00000000000009c0 x9 : ffff8000826eba20\n[ 103.207897] x8 : ffff0000090b6d20 x7 : ffff00007728c180 x6 : ffff00007728c100\n[ 103.215022] x5 : 0000000000000001 x4 : ffff000000508a50 x3 : ffff7ffff6146000\n[ 103.222147] x2 : 0000000000000000 x1 : e300b4173ee6b200 x0 : 0000000000000000\n[ 103.229274] Call trace:\n[ 103.231714] k3_cppi_desc_pool_destroy+0xa0/0xa8 [k3_cppi_desc_pool] (P)\n[ 103.238408] am65_cpsw_nuss_free_rx_chns+0x28/0x4c [ti_am65_cpsw_nuss]\n[ 103.244942] devm_action_release+0x14/0x20\n[ 103.249040] release_nodes+0x3c/0x68\n[ 103.252610] devres_release_all+0x8c/0xdc\n[ 103.256614] device_unbind_cleanup+0x18/0x60\n[ 103.260876] device_release_driver_internal+0xf8/0x178\n[ 103.266004] driver_detach+0x50/0x9c\n[ 103.269571] bus_remove_driver+0x6c/0xbc\n[ 103.273485] driver_unregister+0x30/0x60\n[ 103.277401] platform_driver_unregister+0x14/0x20\n[ 103.282096] am65_cpsw_nuss_driver_exit+0x18/0xff4 [ti_am65_cpsw_nuss]\n[ 103.288620] __arm64_sys_delete_module+0x17c/0x25c\n[ 103.293404] invoke_syscall+0x44/0x100\n[ 103.297149] el0_svc_common.constprop.0+0xc0/0xe0\n[ 103.301845] do_el0_svc+0x1c/0x28\n[ 103.305155] el0_svc+0x28/0x98\n---truncated---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/dma/ti/k3-udma-glue.c", "drivers/net/ethernet/ti/am65-cpsw-nuss.c", "drivers/net/ethernet/ti/icssg/icssg_common.c", "include/linux/dma/k3-udma-glue.h" ], "versions": [ { "version": "d702419134133db1eab2067dc6ea5723467fd917", "lessThan": "d0dd9d133ef8fdc894e0be9aa27dc49ef5f813cb", "status": "affected", "versionType": "git" }, { "version": "d702419134133db1eab2067dc6ea5723467fd917", "lessThan": "0da30874729baeb01889b0eca16cfda122687503", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/dma/ti/k3-udma-glue.c", "drivers/net/ethernet/ti/am65-cpsw-nuss.c", "drivers/net/ethernet/ti/icssg/icssg_common.c", "include/linux/dma/k3-udma-glue.h" ], "versions": [ { "version": "5.6", "status": "affected" }, { "version": "0", "lessThan": "5.6", "status": "unaffected", "versionType": "semver" }, { "version": "6.14.9", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.14.9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.15" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/d0dd9d133ef8fdc894e0be9aa27dc49ef5f813cb" }, { "url": "https://git.kernel.org/stable/c/0da30874729baeb01889b0eca16cfda122687503" } ], "title": "dmaengine: ti: k3-udma-glue: Drop skip_fdq argument from k3_udma_glue_reset_rx_chn", "x_generator": { "engine": "bippy-1.2.0" } } } }