| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Fix IPIs usage in kfence_protect_page()\n\nflush_tlb_kernel_range() may use IPIs to flush the TLBs of all the\ncores, which triggers the following warning when the irqs are disabled:\n\n[ 3.455330] WARNING: CPU: 1 PID: 0 at kernel/smp.c:815 smp_call_function_many_cond+0x452/0x520\n[ 3.456647] Modules linked in:\n[ 3.457218] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc7-00010-g91d3de7240b8 #1\n[ 3.457416] Hardware name: QEMU QEMU Virtual Machine, BIOS\n[ 3.457633] epc : smp_call_function_many_cond+0x452/0x520\n[ 3.457736] ra : on_each_cpu_cond_mask+0x1e/0x30\n[ 3.457786] epc : ffffffff800b669a ra : ffffffff800b67c2 sp : ff2000000000bb50\n[ 3.457824] gp : ffffffff815212b8 tp : ff6000008014f080 t0 : 000000000000003f\n[ 3.457859] t1 : ffffffff815221e0 t2 : 000000000000000f s0 : ff2000000000bc10\n[ 3.457920] s1 : 0000000000000040 a0 : ffffffff815221e0 a1 : 0000000000000001\n[ 3.457953] a2 : 0000000000010000 a3 : 0000000000000003 a4 : 0000000000000000\n[ 3.458006] a5 : 0000000000000000 a6 : ffffffffffffffff a7 : 0000000000000000\n[ 3.458042] s2 : ffffffff815223be s3 : 00fffffffffff000 s4 : ff600001ffe38fc0\n[ 3.458076] s5 : ff600001ff950d00 s6 : 0000000200000120 s7 : 0000000000000001\n[ 3.458109] s8 : 0000000000000001 s9 : ff60000080841ef0 s10: 0000000000000001\n[ 3.458141] s11: ffffffff81524812 t3 : 0000000000000001 t4 : ff60000080092bc0\n[ 3.458172] t5 : 0000000000000000 t6 : ff200000000236d0\n[ 3.458203] status: 0000000200000100 badaddr: ffffffff800b669a cause: 0000000000000003\n[ 3.458373] [<ffffffff800b669a>] smp_call_function_many_cond+0x452/0x520\n[ 3.458593] [<ffffffff800b67c2>] on_each_cpu_cond_mask+0x1e/0x30\n[ 3.458625] [<ffffffff8000e4ca>] __flush_tlb_range+0x118/0x1ca\n[ 3.458656] [<ffffffff8000e6b2>] flush_tlb_kernel_range+0x1e/0x26\n[ 3.458683] [<ffffffff801ea56a>] kfence_protect+0xc0/0xce\n[ 3.458717] [<ffffffff801e9456>] kfence_guarded_free+0xc6/0x1c0\n[ 3.458742] [<ffffffff801e9d6c>] __kfence_free+0x62/0xc6\n[ 3.458764] [<ffffffff801c57d8>] kfree+0x106/0x32c\n[ 3.458786] [<ffffffff80588cf2>] detach_buf_split+0x188/0x1a8\n[ 3.458816] [<ffffffff8058708c>] virtqueue_get_buf_ctx+0xb6/0x1f6\n[ 3.458839] [<ffffffff805871da>] virtqueue_get_buf+0xe/0x16\n[ 3.458880] [<ffffffff80613d6a>] virtblk_done+0x5c/0xe2\n[ 3.458908] [<ffffffff8058766e>] vring_interrupt+0x6a/0x74\n[ 3.458930] [<ffffffff800747d8>] __handle_irq_event_percpu+0x7c/0xe2\n[ 3.458956] [<ffffffff800748f0>] handle_irq_event+0x3c/0x86\n[ 3.458978] [<ffffffff800786cc>] handle_simple_irq+0x9e/0xbe\n[ 3.459004] [<ffffffff80073934>] generic_handle_domain_irq+0x1c/0x2a\n[ 3.459027] [<ffffffff804bf87c>] imsic_handle_irq+0xba/0x120\n[ 3.459056] [<ffffffff80073934>] generic_handle_domain_irq+0x1c/0x2a\n[ 3.459080] [<ffffffff804bdb76>] riscv_intc_aia_irq+0x24/0x34\n[ 3.459103] [<ffffffff809d0452>] handle_riscv_irq+0x2e/0x4c\n[ 3.459133] [<ffffffff809d923e>] call_on_irq_stack+0x32/0x40\n\nSo only flush the local TLB and let the lazy kfence page fault handling\ndeal with the faults which could happen when a core has an old protected\npte version cached in its TLB. That leads to potential inaccuracies which\ncan be tolerated when using kfence." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/riscv/include/asm/kfence.h" |
| ], |
| "versions": [ |
| { |
| "version": "47513f243b452a5e21180dcf3d6ac1c57e1781a6", |
| "lessThan": "6f796a6a396d6f963f2cc8f5edd7dfba2cca097f", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "47513f243b452a5e21180dcf3d6ac1c57e1781a6", |
| "lessThan": "3abfc4130c4222099c69d023fed97f1180a8ad7b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "47513f243b452a5e21180dcf3d6ac1c57e1781a6", |
| "lessThan": "b3431a8bb336cece8adc452437befa7d4534b2fd", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/riscv/include/asm/kfence.h" |
| ], |
| "versions": [ |
| { |
| "version": "5.14", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.14", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.67", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.6", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13", |
| "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": "5.14", |
| "versionEndExcluding": "6.6.67" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.14", |
| "versionEndExcluding": "6.12.6" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.14", |
| "versionEndExcluding": "6.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/6f796a6a396d6f963f2cc8f5edd7dfba2cca097f" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3abfc4130c4222099c69d023fed97f1180a8ad7b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b3431a8bb336cece8adc452437befa7d4534b2fd" |
| } |
| ], |
| "title": "riscv: Fix IPIs usage in kfence_protect_page()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-53687", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
