CVE-2024-53687 (GCVE-0-2024-53687)

Vulnerability from cvelistv5 – Published: 2025-01-11 12:29 – Updated: 2025-05-04 09:56
VLAI?
Title
riscv: Fix IPIs usage in kfence_protect_page()
Summary
In the Linux kernel, the following vulnerability has been resolved: riscv: Fix IPIs usage in kfence_protect_page() flush_tlb_kernel_range() may use IPIs to flush the TLBs of all the cores, which triggers the following warning when the irqs are disabled: [ 3.455330] WARNING: CPU: 1 PID: 0 at kernel/smp.c:815 smp_call_function_many_cond+0x452/0x520 [ 3.456647] Modules linked in: [ 3.457218] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc7-00010-g91d3de7240b8 #1 [ 3.457416] Hardware name: QEMU QEMU Virtual Machine, BIOS [ 3.457633] epc : smp_call_function_many_cond+0x452/0x520 [ 3.457736] ra : on_each_cpu_cond_mask+0x1e/0x30 [ 3.457786] epc : ffffffff800b669a ra : ffffffff800b67c2 sp : ff2000000000bb50 [ 3.457824] gp : ffffffff815212b8 tp : ff6000008014f080 t0 : 000000000000003f [ 3.457859] t1 : ffffffff815221e0 t2 : 000000000000000f s0 : ff2000000000bc10 [ 3.457920] s1 : 0000000000000040 a0 : ffffffff815221e0 a1 : 0000000000000001 [ 3.457953] a2 : 0000000000010000 a3 : 0000000000000003 a4 : 0000000000000000 [ 3.458006] a5 : 0000000000000000 a6 : ffffffffffffffff a7 : 0000000000000000 [ 3.458042] s2 : ffffffff815223be s3 : 00fffffffffff000 s4 : ff600001ffe38fc0 [ 3.458076] s5 : ff600001ff950d00 s6 : 0000000200000120 s7 : 0000000000000001 [ 3.458109] s8 : 0000000000000001 s9 : ff60000080841ef0 s10: 0000000000000001 [ 3.458141] s11: ffffffff81524812 t3 : 0000000000000001 t4 : ff60000080092bc0 [ 3.458172] t5 : 0000000000000000 t6 : ff200000000236d0 [ 3.458203] status: 0000000200000100 badaddr: ffffffff800b669a cause: 0000000000000003 [ 3.458373] [<ffffffff800b669a>] smp_call_function_many_cond+0x452/0x520 [ 3.458593] [<ffffffff800b67c2>] on_each_cpu_cond_mask+0x1e/0x30 [ 3.458625] [<ffffffff8000e4ca>] __flush_tlb_range+0x118/0x1ca [ 3.458656] [<ffffffff8000e6b2>] flush_tlb_kernel_range+0x1e/0x26 [ 3.458683] [<ffffffff801ea56a>] kfence_protect+0xc0/0xce [ 3.458717] [<ffffffff801e9456>] kfence_guarded_free+0xc6/0x1c0 [ 3.458742] [<ffffffff801e9d6c>] __kfence_free+0x62/0xc6 [ 3.458764] [<ffffffff801c57d8>] kfree+0x106/0x32c [ 3.458786] [<ffffffff80588cf2>] detach_buf_split+0x188/0x1a8 [ 3.458816] [<ffffffff8058708c>] virtqueue_get_buf_ctx+0xb6/0x1f6 [ 3.458839] [<ffffffff805871da>] virtqueue_get_buf+0xe/0x16 [ 3.458880] [<ffffffff80613d6a>] virtblk_done+0x5c/0xe2 [ 3.458908] [<ffffffff8058766e>] vring_interrupt+0x6a/0x74 [ 3.458930] [<ffffffff800747d8>] __handle_irq_event_percpu+0x7c/0xe2 [ 3.458956] [<ffffffff800748f0>] handle_irq_event+0x3c/0x86 [ 3.458978] [<ffffffff800786cc>] handle_simple_irq+0x9e/0xbe [ 3.459004] [<ffffffff80073934>] generic_handle_domain_irq+0x1c/0x2a [ 3.459027] [<ffffffff804bf87c>] imsic_handle_irq+0xba/0x120 [ 3.459056] [<ffffffff80073934>] generic_handle_domain_irq+0x1c/0x2a [ 3.459080] [<ffffffff804bdb76>] riscv_intc_aia_irq+0x24/0x34 [ 3.459103] [<ffffffff809d0452>] handle_riscv_irq+0x2e/0x4c [ 3.459133] [<ffffffff809d923e>] call_on_irq_stack+0x32/0x40 So only flush the local TLB and let the lazy kfence page fault handling deal with the faults which could happen when a core has an old protected pte version cached in its TLB. That leads to potential inaccuracies which can be tolerated when using kfence.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 47513f243b452a5e21180dcf3d6ac1c57e1781a6 , < 6f796a6a396d6f963f2cc8f5edd7dfba2cca097f (git)
Affected: 47513f243b452a5e21180dcf3d6ac1c57e1781a6 , < 3abfc4130c4222099c69d023fed97f1180a8ad7b (git)
Affected: 47513f243b452a5e21180dcf3d6ac1c57e1781a6 , < b3431a8bb336cece8adc452437befa7d4534b2fd (git)
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    Linux Linux Affected: 5.14
Unaffected: 0 , < 5.14 (semver)
Unaffected: 6.6.67 , ≤ 6.6.* (semver)
Unaffected: 6.12.6 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/riscv/include/asm/kfence.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6f796a6a396d6f963f2cc8f5edd7dfba2cca097f",
              "status": "affected",
              "version": "47513f243b452a5e21180dcf3d6ac1c57e1781a6",
              "versionType": "git"
            },
            {
              "lessThan": "3abfc4130c4222099c69d023fed97f1180a8ad7b",
              "status": "affected",
              "version": "47513f243b452a5e21180dcf3d6ac1c57e1781a6",
              "versionType": "git"
            },
            {
              "lessThan": "b3431a8bb336cece8adc452437befa7d4534b2fd",
              "status": "affected",
              "version": "47513f243b452a5e21180dcf3d6ac1c57e1781a6",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/riscv/include/asm/kfence.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.14"
            },
            {
              "lessThan": "5.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.67",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.67",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.6",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.13",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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] [\u003cffffffff800b669a\u003e] smp_call_function_many_cond+0x452/0x520\n[    3.458593] [\u003cffffffff800b67c2\u003e] on_each_cpu_cond_mask+0x1e/0x30\n[    3.458625] [\u003cffffffff8000e4ca\u003e] __flush_tlb_range+0x118/0x1ca\n[    3.458656] [\u003cffffffff8000e6b2\u003e] flush_tlb_kernel_range+0x1e/0x26\n[    3.458683] [\u003cffffffff801ea56a\u003e] kfence_protect+0xc0/0xce\n[    3.458717] [\u003cffffffff801e9456\u003e] kfence_guarded_free+0xc6/0x1c0\n[    3.458742] [\u003cffffffff801e9d6c\u003e] __kfence_free+0x62/0xc6\n[    3.458764] [\u003cffffffff801c57d8\u003e] kfree+0x106/0x32c\n[    3.458786] [\u003cffffffff80588cf2\u003e] detach_buf_split+0x188/0x1a8\n[    3.458816] [\u003cffffffff8058708c\u003e] virtqueue_get_buf_ctx+0xb6/0x1f6\n[    3.458839] [\u003cffffffff805871da\u003e] virtqueue_get_buf+0xe/0x16\n[    3.458880] [\u003cffffffff80613d6a\u003e] virtblk_done+0x5c/0xe2\n[    3.458908] [\u003cffffffff8058766e\u003e] vring_interrupt+0x6a/0x74\n[    3.458930] [\u003cffffffff800747d8\u003e] __handle_irq_event_percpu+0x7c/0xe2\n[    3.458956] [\u003cffffffff800748f0\u003e] handle_irq_event+0x3c/0x86\n[    3.458978] [\u003cffffffff800786cc\u003e] handle_simple_irq+0x9e/0xbe\n[    3.459004] [\u003cffffffff80073934\u003e] generic_handle_domain_irq+0x1c/0x2a\n[    3.459027] [\u003cffffffff804bf87c\u003e] imsic_handle_irq+0xba/0x120\n[    3.459056] [\u003cffffffff80073934\u003e] generic_handle_domain_irq+0x1c/0x2a\n[    3.459080] [\u003cffffffff804bdb76\u003e] riscv_intc_aia_irq+0x24/0x34\n[    3.459103] [\u003cffffffff809d0452\u003e] handle_riscv_irq+0x2e/0x4c\n[    3.459133] [\u003cffffffff809d923e\u003e] 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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T09:56:56.259Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-53687",
    "datePublished": "2025-01-11T12:29:50.589Z",
    "dateReserved": "2025-01-09T09:49:29.686Z",
    "dateUpdated": "2025-05-04T09:56:56.259Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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