| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: m_can: m_can_class_allocate_dev(): initialize spin lock on device probe\n\nThe spin lock tx_handling_spinlock in struct m_can_classdev is not\nbeing initialized. This leads the following spinlock bad magic\ncomplaint from the kernel, eg. when trying to send CAN frames with\ncansend from can-utils:\n\n| BUG: spinlock bad magic on CPU#0, cansend/95\n| lock: 0xff60000002ec1010, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0\n| CPU: 0 UID: 0 PID: 95 Comm: cansend Not tainted 6.15.0-rc3-00032-ga79be02bba5c #5 NONE\n| Hardware name: MachineWare SIM-V (DT)\n| Call Trace:\n| [<ffffffff800133e0>] dump_backtrace+0x1c/0x24\n| [<ffffffff800022f2>] show_stack+0x28/0x34\n| [<ffffffff8000de3e>] dump_stack_lvl+0x4a/0x68\n| [<ffffffff8000de70>] dump_stack+0x14/0x1c\n| [<ffffffff80003134>] spin_dump+0x62/0x6e\n| [<ffffffff800883ba>] do_raw_spin_lock+0xd0/0x142\n| [<ffffffff807a6fcc>] _raw_spin_lock_irqsave+0x20/0x2c\n| [<ffffffff80536dba>] m_can_start_xmit+0x90/0x34a\n| [<ffffffff806148b0>] dev_hard_start_xmit+0xa6/0xee\n| [<ffffffff8065b730>] sch_direct_xmit+0x114/0x292\n| [<ffffffff80614e2a>] __dev_queue_xmit+0x3b0/0xaa8\n| [<ffffffff8073b8fa>] can_send+0xc6/0x242\n| [<ffffffff8073d1c0>] raw_sendmsg+0x1a8/0x36c\n| [<ffffffff805ebf06>] sock_write_iter+0x9a/0xee\n| [<ffffffff801d06ea>] vfs_write+0x184/0x3a6\n| [<ffffffff801d0a88>] ksys_write+0xa0/0xc0\n| [<ffffffff801d0abc>] __riscv_sys_write+0x14/0x1c\n| [<ffffffff8079ebf8>] do_trap_ecall_u+0x168/0x212\n| [<ffffffff807a830a>] handle_exception+0x146/0x152\n\nInitializing the spin lock in m_can_class_allocate_dev solves that\nproblem." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/can/m_can/m_can.c" |
| ], |
| "versions": [ |
| { |
| "version": "1fa80e23c15051edc1c594270517de3517ded798", |
| "lessThan": "2ecce25ea296f328d79070ee36229a15aeeb7aca", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1fa80e23c15051edc1c594270517de3517ded798", |
| "lessThan": "7d5379cfecfdd665e4206bc4f19824656388779f", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1fa80e23c15051edc1c594270517de3517ded798", |
| "lessThan": "dcaeeb8ae84c5506ebc574732838264f3887738c", |
| "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/net/can/m_can/m_can.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.9", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.9", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.29", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.14.7", |
| "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": "6.9", |
| "versionEndExcluding": "6.12.29" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.9", |
| "versionEndExcluding": "6.14.7" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.9", |
| "versionEndExcluding": "6.15" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/2ecce25ea296f328d79070ee36229a15aeeb7aca" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/7d5379cfecfdd665e4206bc4f19824656388779f" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/dcaeeb8ae84c5506ebc574732838264f3887738c" |
| } |
| ], |
| "title": "can: m_can: m_can_class_allocate_dev(): initialize spin lock on device probe", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2025-37993", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
