{"api_version":"1","generated_at":"2026-08-23T07:55:21+00:00","cve":"CVE-2025-68320","urls":{"html":"https://cve.report/CVE-2025-68320","api":"https://cve.report/api/cve/CVE-2025-68320.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-68320","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-68320"},"summary":{"title":"lan966x: Fix sleeping in atomic context","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nlan966x: Fix sleeping in atomic context\n\nThe following warning was seen when we try to connect using ssh to the device.\n\nBUG: sleeping function called from invalid context at kernel/locking/mutex.c:575\nin_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 104, name: dropbear\npreempt_count: 1, expected: 0\nINFO: lockdep is turned off.\nCPU: 0 UID: 0 PID: 104 Comm: dropbear Tainted: G        W           6.18.0-rc2-00399-g6f1ab1b109b9-dirty #530 NONE\nTainted: [W]=WARN\nHardware name: Generic DT based system\nCall trace:\n unwind_backtrace from show_stack+0x10/0x14\n show_stack from dump_stack_lvl+0x7c/0xac\n dump_stack_lvl from __might_resched+0x16c/0x2b0\n __might_resched from __mutex_lock+0x64/0xd34\n __mutex_lock from mutex_lock_nested+0x1c/0x24\n mutex_lock_nested from lan966x_stats_get+0x5c/0x558\n lan966x_stats_get from dev_get_stats+0x40/0x43c\n dev_get_stats from dev_seq_printf_stats+0x3c/0x184\n dev_seq_printf_stats from dev_seq_show+0x10/0x30\n dev_seq_show from seq_read_iter+0x350/0x4ec\n seq_read_iter from seq_read+0xfc/0x194\n seq_read from proc_reg_read+0xac/0x100\n proc_reg_read from vfs_read+0xb0/0x2b0\n vfs_read from ksys_read+0x6c/0xec\n ksys_read from ret_fast_syscall+0x0/0x1c\nException stack(0xf0b11fa8 to 0xf0b11ff0)\n1fa0:                   00000001 00001000 00000008 be9048d8 00001000 00000001\n1fc0: 00000001 00001000 00000008 00000003 be905920 0000001e 00000000 00000001\n1fe0: 0005404c be9048c0 00018684 b6ec2cd8\n\nIt seems that we are using a mutex in a atomic context which is wrong.\nChange the mutex with a spinlock.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-16 16:16:11","updated_at":"2026-07-30 06:24:38"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/c8ab03aa5bd9fd8bfe5d9552d8605826759fdd4d","name":"https://git.kernel.org/stable/c/c8ab03aa5bd9fd8bfe5d9552d8605826759fdd4d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0216721ce71252f60d89af49c8dff613358058d3","name":"https://git.kernel.org/stable/c/0216721ce71252f60d89af49c8dff613358058d3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5a5d2f7727752b64d13263eacd9f8d08a322e662","name":"https://git.kernel.org/stable/c/5a5d2f7727752b64d13263eacd9f8d08a322e662","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3ac743c60ec502163c435712d527eeced8d83348","name":"https://git.kernel.org/stable/c/3ac743c60ec502163c435712d527eeced8d83348","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-68320","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68320","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007 5a5d2f7727752b64d13263eacd9f8d08a322e662 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007 c8ab03aa5bd9fd8bfe5d9552d8605826759fdd4d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007 3ac743c60ec502163c435712d527eeced8d83348 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007 0216721ce71252f60d89af49c8dff613358058d3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.117 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.58 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17.8 6.17.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"68320","cve":"CVE-2025-68320","epss":"0.003590000","percentile":"0.286410000","score_date":"2026-08-01","updated_at":"2026-08-02 00:11:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c","drivers/net/ethernet/microchip/lan966x/lan966x_main.c","drivers/net/ethernet/microchip/lan966x/lan966x_main.h","drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5a5d2f7727752b64d13263eacd9f8d08a322e662","status":"affected","version":"12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007","versionType":"git"},{"lessThan":"c8ab03aa5bd9fd8bfe5d9552d8605826759fdd4d","status":"affected","version":"12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007","versionType":"git"},{"lessThan":"3ac743c60ec502163c435712d527eeced8d83348","status":"affected","version":"12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007","versionType":"git"},{"lessThan":"0216721ce71252f60d89af49c8dff613358058d3","status":"affected","version":"12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c","drivers/net/ethernet/microchip/lan966x/lan966x_main.c","drivers/net/ethernet/microchip/lan966x/lan966x_main.h","drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.17"},{"lessThan":"5.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.117","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.58","versionType":"semver"},{"lessThanOrEqual":"6.17.*","status":"unaffected","version":"6.17.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.18","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.117","versionStartIncluding":"5.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.58","versionStartIncluding":"5.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.17.8","versionStartIncluding":"5.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18","versionStartIncluding":"5.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nlan966x: Fix sleeping in atomic context\n\nThe following warning was seen when we try to connect using ssh to the device.\n\nBUG: sleeping function called from invalid context at kernel/locking/mutex.c:575\nin_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 104, name: dropbear\npreempt_count: 1, expected: 0\nINFO: lockdep is turned off.\nCPU: 0 UID: 0 PID: 104 Comm: dropbear Tainted: G        W           6.18.0-rc2-00399-g6f1ab1b109b9-dirty #530 NONE\nTainted: [W]=WARN\nHardware name: Generic DT based system\nCall trace:\n unwind_backtrace from show_stack+0x10/0x14\n show_stack from dump_stack_lvl+0x7c/0xac\n dump_stack_lvl from __might_resched+0x16c/0x2b0\n __might_resched from __mutex_lock+0x64/0xd34\n __mutex_lock from mutex_lock_nested+0x1c/0x24\n mutex_lock_nested from lan966x_stats_get+0x5c/0x558\n lan966x_stats_get from dev_get_stats+0x40/0x43c\n dev_get_stats from dev_seq_printf_stats+0x3c/0x184\n dev_seq_printf_stats from dev_seq_show+0x10/0x30\n dev_seq_show from seq_read_iter+0x350/0x4ec\n seq_read_iter from seq_read+0xfc/0x194\n seq_read from proc_reg_read+0xac/0x100\n proc_reg_read from vfs_read+0xb0/0x2b0\n vfs_read from ksys_read+0x6c/0xec\n ksys_read from ret_fast_syscall+0x0/0x1c\nException stack(0xf0b11fa8 to 0xf0b11ff0)\n1fa0:                   00000001 00001000 00000008 be9048d8 00001000 00000001\n1fc0: 00000001 00001000 00000008 00000003 be905920 0000001e 00000000 00000001\n1fe0: 0005404c be9048c0 00018684 b6ec2cd8\n\nIt seems that we are using a mutex in a atomic context which is wrong.\nChange the mutex with a spinlock."}],"metrics":[{"cvssV3_1":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-30T06:04:01.993Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/5a5d2f7727752b64d13263eacd9f8d08a322e662"},{"url":"https://git.kernel.org/stable/c/c8ab03aa5bd9fd8bfe5d9552d8605826759fdd4d"},{"url":"https://git.kernel.org/stable/c/3ac743c60ec502163c435712d527eeced8d83348"},{"url":"https://git.kernel.org/stable/c/0216721ce71252f60d89af49c8dff613358058d3"}],"title":"lan966x: Fix sleeping in atomic context","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-68320","datePublished":"2025-12-16T15:44:18.217Z","dateReserved":"2025-12-16T14:48:05.295Z","dateUpdated":"2026-07-30T06:04:01.993Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-16 16:16:11","lastModifiedDate":"2026-07-30 06:24:38","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"68320","Ordinal":"1","Title":"lan966x: Fix sleeping in atomic context","CVE":"CVE-2025-68320","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"68320","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nlan966x: Fix sleeping in atomic context\n\nThe following warning was seen when we try to connect using ssh to the device.\n\nBUG: sleeping function called from invalid context at kernel/locking/mutex.c:575\nin_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 104, name: dropbear\npreempt_count: 1, expected: 0\nINFO: lockdep is turned off.\nCPU: 0 UID: 0 PID: 104 Comm: dropbear Tainted: G        W           6.18.0-rc2-00399-g6f1ab1b109b9-dirty #530 NONE\nTainted: [W]=WARN\nHardware name: Generic DT based system\nCall trace:\n unwind_backtrace from show_stack+0x10/0x14\n show_stack from dump_stack_lvl+0x7c/0xac\n dump_stack_lvl from __might_resched+0x16c/0x2b0\n __might_resched from __mutex_lock+0x64/0xd34\n __mutex_lock from mutex_lock_nested+0x1c/0x24\n mutex_lock_nested from lan966x_stats_get+0x5c/0x558\n lan966x_stats_get from dev_get_stats+0x40/0x43c\n dev_get_stats from dev_seq_printf_stats+0x3c/0x184\n dev_seq_printf_stats from dev_seq_show+0x10/0x30\n dev_seq_show from seq_read_iter+0x350/0x4ec\n seq_read_iter from seq_read+0xfc/0x194\n seq_read from proc_reg_read+0xac/0x100\n proc_reg_read from vfs_read+0xb0/0x2b0\n vfs_read from ksys_read+0x6c/0xec\n ksys_read from ret_fast_syscall+0x0/0x1c\nException stack(0xf0b11fa8 to 0xf0b11ff0)\n1fa0:                   00000001 00001000 00000008 be9048d8 00001000 00000001\n1fc0: 00000001 00001000 00000008 00000003 be905920 0000001e 00000000 00000001\n1fe0: 0005404c be9048c0 00018684 b6ec2cd8\n\nIt seems that we are using a mutex in a atomic context which is wrong.\nChange the mutex with a spinlock.","Type":"Description","Title":"lan966x: Fix sleeping in atomic context"}]}}}