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CVE-2026-89596 (GCVE-0-2026-89596)

Vulnerability from cvelistv5 – Published: 2026-09-11 19:44 – Updated: 2026-09-14 12:01
VLAI
Title
forcedeth: fix off-by-one when saving/restoring non-PCI config space
Summary
In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix off-by-one when saving/restoring non-PCI config space nv_suspend() and nv_resume() walk the non-PCI configuration space with for (i = 0; i <= np->register_size/sizeof(u32); i++) which runs one iteration too many. saved_config_space is declared as u32 saved_config_space[NV_PCI_REGSZ_MAX/4]; and NV_PCI_REGSZ_VER3 is equal to NV_PCI_REGSZ_MAX (0x604), so on a VER3 device register_size/sizeof(u32) is exactly the array length and the last iteration addresses one element past the end. The element it lands on is np->name_rx[0..3]: saved_config_space[] is followed immediately by char name_rx[IFNAMSIZ + 3], and char needs no padding. Nothing observable is corrupted by that, because nv_request_irq() rewrites name_rx with sprintf() before it is ever passed to request_irq(). The bug is the out-of-bounds access itself, which UBSAN reports and which CONFIG_UBSAN_TRAP=y turns into a trap that aborts the running kernel code, plus an MMIO read and, on resume, an MMIO writel() to base + 0x604, one dword past the range the driver mapped: np->base = ioremap(addr, np->register_size); VER1 and VER2 devices stay inside the array, but they too get the stray read and the stray write one dword past their own window. Caught by UBSAN on an Apple Macmini3,1 (MCP79) during a deep S3 cycle. The splat below is trimmed: the build path in the file name, the CPU and taint lines, the Workqueue line, the "?" hint frames, and the frames below device_suspend are all cut. The kernel was tainted, with an out-of-tree nouveau and CPU_OUT_OF_SPEC; forcedeth itself was the stock module. UBSAN: array-index-out-of-bounds in drivers/net/ethernet/nvidia/forcedeth.c:6225:25 index 385 is out of range for type 'u32 [385]' Call Trace: dump_stack_lvl+0x5d/0x80 ubsan_epilogue+0x5/0x2b __ubsan_handle_out_of_bounds.cold+0x54/0x59 __this_module+0xe398c/0xe9010 [forcedeth] pci_pm_suspend+0x80/0x170 dpm_run_callback+0x51/0x160 device_suspend+0x1a2/0x4a0 ... Both loops are hit. UBSAN reports each source location only once per module load (__ubsan_handle_out_of_bounds() calls suppress_report(), which does test_and_set_bit(REPORTED_BIT, ...) on the struct source_location), so the two splats land in the first S3 cycle after the module is loaded and later cycles are silent even though the access still runs off the end every time. In that first cycle line 6225 is reported from pci_pm_suspend and line 6240 from pci_pm_resume. The same off-by-one was fixed in nv_get_regs() by commit ba9aa134287f ("forcedeth: fix buffer overflow") in 2012; these two loops were missed. The suspend and resume side was reported on LKML in September 2013 by Marc Weber, with the same analysis and the same one-character fix, but the patch was attached rather than sent inline and the thread ended there. Use < instead of <=, which saves and restores exactly register_size bytes.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1a1ca86158eee303af5270338695f90bc7ae02b3 , < effd589568b2c4399894a23000286210c60af6d7 (git)
Affected: 1a1ca86158eee303af5270338695f90bc7ae02b3 , < 702aa4a44c87026b97b1da5c5ca80e1fa8a9875a (git)
Affected: 1a1ca86158eee303af5270338695f90bc7ae02b3 , < fc71c6c3d3e3bb17474dcd1162aea6783a452a64 (git)
Affected: 1a1ca86158eee303af5270338695f90bc7ae02b3 , < c4d5953582463f45e48b14ef9815e5fb636f7e1f (git)
Affected: 1a1ca86158eee303af5270338695f90bc7ae02b3 , < 9379f8527ca60d92715c90b32f1b477de9ec32cb (git)
Affected: 1a1ca86158eee303af5270338695f90bc7ae02b3 , < 0c3f4544ff3873594c8af1b907b4ac4e6d5ce005 (git)
Affected: 1a1ca86158eee303af5270338695f90bc7ae02b3 , < c4f196bfeedd71e56aba4b63bd8f919edb2f7056 (git)
Affected: 1a1ca86158eee303af5270338695f90bc7ae02b3 , < 9393f1d656a79693e0c123ff7bc7c5c0f708046d (git)
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Linux Linux Affected: 2.6.27
Unaffected: 0 , < 2.6.27 (semver)
Unaffected: 5.10.270 , ≤ 5.10.* (semver)
Unaffected: 5.15.221 , ≤ 5.15.* (semver)
Unaffected: 6.1.188 , ≤ 6.1.* (semver)
Unaffected: 6.6.157 , ≤ 6.6.* (semver)
Unaffected: 6.12.109 , ≤ 6.12.* (semver)
Unaffected: 6.18.50 , ≤ 6.18.* (semver)
Unaffected: 7.2.4 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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              "lessThanOrEqual": "6.18.*",
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            {
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              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nforcedeth: fix off-by-one when saving/restoring non-PCI config space\n\nnv_suspend() and nv_resume() walk the non-PCI configuration space with\n\n\tfor (i = 0; i \u003c= np-\u003eregister_size/sizeof(u32); i++)\n\nwhich runs one iteration too many. saved_config_space is declared as\n\n\tu32 saved_config_space[NV_PCI_REGSZ_MAX/4];\n\nand NV_PCI_REGSZ_VER3 is equal to NV_PCI_REGSZ_MAX (0x604), so on a VER3\ndevice register_size/sizeof(u32) is exactly the array length and the last\niteration addresses one element past the end.\n\nThe element it lands on is np-\u003ename_rx[0..3]: saved_config_space[] is\nfollowed immediately by char name_rx[IFNAMSIZ + 3], and char needs no\npadding. Nothing observable is corrupted by that, because nv_request_irq()\nrewrites name_rx with sprintf() before it is ever passed to request_irq().\nThe bug is the out-of-bounds access itself, which UBSAN reports and which\nCONFIG_UBSAN_TRAP=y turns into a trap that aborts the running kernel code,\nplus an MMIO read and, on resume, an MMIO writel() to base + 0x604, one\ndword past the range the driver mapped:\n\n\tnp-\u003ebase = ioremap(addr, np-\u003eregister_size);\n\nVER1 and VER2 devices stay inside the array, but they too get the stray\nread and the stray write one dword past their own window.\n\nCaught by UBSAN on an Apple Macmini3,1 (MCP79) during a deep S3 cycle.\nThe splat below is trimmed: the build path in the file name, the CPU\nand taint lines, the Workqueue line, the \"?\" hint frames, and the\nframes below device_suspend are all cut. The kernel was tainted, with\nan out-of-tree nouveau and CPU_OUT_OF_SPEC; forcedeth itself was the\nstock module.\n\n  UBSAN: array-index-out-of-bounds in drivers/net/ethernet/nvidia/forcedeth.c:6225:25\n  index 385 is out of range for type \u0027u32 [385]\u0027\n  Call Trace:\n   dump_stack_lvl+0x5d/0x80\n   ubsan_epilogue+0x5/0x2b\n   __ubsan_handle_out_of_bounds.cold+0x54/0x59\n   __this_module+0xe398c/0xe9010 [forcedeth]\n   pci_pm_suspend+0x80/0x170\n   dpm_run_callback+0x51/0x160\n   device_suspend+0x1a2/0x4a0\n   ...\n\nBoth loops are hit. UBSAN reports each source location only once per module\nload (__ubsan_handle_out_of_bounds() calls suppress_report(), which does\ntest_and_set_bit(REPORTED_BIT, ...) on the struct source_location), so the\ntwo splats land in the first S3 cycle after the module is loaded and later\ncycles are silent even though the access still runs off the end every time.\nIn that first cycle line 6225 is reported from pci_pm_suspend and line 6240\nfrom pci_pm_resume.\n\nThe same off-by-one was fixed in nv_get_regs() by commit ba9aa134287f\n(\"forcedeth: fix buffer overflow\") in 2012; these two loops were missed.\nThe suspend and resume side was reported on LKML in September 2013 by Marc\nWeber, with the same analysis and the same one-character fix, but the patch\nwas attached rather than sent inline and the thread ended there.\n\nUse \u003c instead of \u003c=, which saves and restores exactly register_size bytes."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The off-by-one is only in nv_suspend()/nv_resume(), wired by SIMPLE_DEV_PM_OPS to PCI system-sleep and hibernation callbacks (pci_pm_suspend/resume plus freeze/thaw/poweroff/restore). Packet RX/TX, ethtool, and runtime PM never reach these functions.\nAC:L - On VER3 nForce hardware, register_size equals NV_PCI_REGSZ_MAX, so the i \u003c= register_size/4 loop always indexes one u32 past saved_config_space[] and issues one extra MMIO access. Every suspend/resume hits the bug with no race or attacker-uncontrollable layout.\nPR:L - A local seat user on the realistic forcedeth deployments (desktops, HTPCs, Mac mini/MCP79) can start suspend via logind/polkit or idle/lid autosleep without init-namespace root. The kernel /sys/power/state store has no capability check (mode 0644).\nUI:N - The attacker initiates suspend or hibernate themselves (systemctl suspend, writing /sys/power/state, or waiting for autosleep). No separate victim action such as mounting a filesystem or opening a file is required.\nS:U - The extra store lands in the next field of the same fe_priv (allocated with the netdev) and the extra MMIO dword stays in the NIC\u0027s own BAR page. This does not cross a VM, sandbox, or IOMMU/DMA boundary.\nC:N - The out-of-bounds slot is the adjacent name_rx[] IRQ-name buffer; nv_request_irq() sprintf()s it before request_irq(), and the extra MMIO dword is never copied to userspace. There is no kernel-memory disclosure primitive.\nI:H - This is a 4-byte out-of-bounds write past saved_config_space[] plus a matching writel() one dword past the ioremap() window on resume. Kernel CNA guidance scores out-of-bounds writes and stray MMIO restores as High integrity impact.\nA:H - UBSAN reports array-index-out-of-bounds, and CONFIG_UBSAN_TRAP (Android GKI and other hardened kernels) turns that into a trap that aborts suspend/resume. An MMIO access past the mapped window can also hang or oops the host."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-14T12:01:19.256Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/effd589568b2c4399894a23000286210c60af6d7"
        },
        {
          "url": "https://git.kernel.org/stable/c/702aa4a44c87026b97b1da5c5ca80e1fa8a9875a"
        },
        {
          "url": "https://git.kernel.org/stable/c/fc71c6c3d3e3bb17474dcd1162aea6783a452a64"
        },
        {
          "url": "https://git.kernel.org/stable/c/c4d5953582463f45e48b14ef9815e5fb636f7e1f"
        },
        {
          "url": "https://git.kernel.org/stable/c/9379f8527ca60d92715c90b32f1b477de9ec32cb"
        },
        {
          "url": "https://git.kernel.org/stable/c/0c3f4544ff3873594c8af1b907b4ac4e6d5ce005"
        },
        {
          "url": "https://git.kernel.org/stable/c/c4f196bfeedd71e56aba4b63bd8f919edb2f7056"
        },
        {
          "url": "https://git.kernel.org/stable/c/9393f1d656a79693e0c123ff7bc7c5c0f708046d"
        }
      ],
      "title": "forcedeth: fix off-by-one when saving/restoring non-PCI config space",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-89596",
    "datePublished": "2026-09-11T19:44:58.797Z",
    "dateReserved": "2026-09-11T19:38:34.731Z",
    "dateUpdated": "2026-09-14T12:01:19.256Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-89596",
      "date": "2026-09-15",
      "epss": "0.00173",
      "percentile": "0.06945"
    },
    "microsoft_vex": {
      "current_release_date": "2026-09-14T14:47:39.000Z",
      "cve": "CVE-2026-89596",
      "id": "msrc_CVE-2026-89596",
      "initial_release_date": "2026-09-13T01:02:22.000Z",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "forcedeth: fix off-by-one when saving/restoring non-PCI config space",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-89596.json",
      "version": "2"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-89596\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-09-11T20:19:44.310\",\"lastModified\":\"2026-09-14T13:19:13.637\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nforcedeth: fix off-by-one when saving/restoring non-PCI config space\\n\\nnv_suspend() and nv_resume() walk the non-PCI configuration space with\\n\\n\\tfor (i = 0; i \u003c= np-\u003eregister_size/sizeof(u32); i++)\\n\\nwhich runs one iteration too many. saved_config_space is declared as\\n\\n\\tu32 saved_config_space[NV_PCI_REGSZ_MAX/4];\\n\\nand NV_PCI_REGSZ_VER3 is equal to NV_PCI_REGSZ_MAX (0x604), so on a VER3\\ndevice register_size/sizeof(u32) is exactly the array length and the last\\niteration addresses one element past the end.\\n\\nThe element it lands on is np-\u003ename_rx[0..3]: saved_config_space[] is\\nfollowed immediately by char name_rx[IFNAMSIZ + 3], and char needs no\\npadding. Nothing observable is corrupted by that, because nv_request_irq()\\nrewrites name_rx with sprintf() before it is ever passed to request_irq().\\nThe bug is the out-of-bounds access itself, which UBSAN reports and which\\nCONFIG_UBSAN_TRAP=y turns into a trap that aborts the running kernel code,\\nplus an MMIO read and, on resume, an MMIO writel() to base + 0x604, one\\ndword past the range the driver mapped:\\n\\n\\tnp-\u003ebase = ioremap(addr, np-\u003eregister_size);\\n\\nVER1 and VER2 devices stay inside the array, but they too get the stray\\nread and the stray write one dword past their own window.\\n\\nCaught by UBSAN on an Apple Macmini3,1 (MCP79) during a deep S3 cycle.\\nThe splat below is trimmed: the build path in the file name, the CPU\\nand taint lines, the Workqueue line, the \\\"?\\\" hint frames, and the\\nframes below device_suspend are all cut. The kernel was tainted, with\\nan out-of-tree nouveau and CPU_OUT_OF_SPEC; forcedeth itself was the\\nstock module.\\n\\n  UBSAN: array-index-out-of-bounds in drivers/net/ethernet/nvidia/forcedeth.c:6225:25\\n  index 385 is out of range for type \u0027u32 [385]\u0027\\n  Call Trace:\\n   dump_stack_lvl+0x5d/0x80\\n   ubsan_epilogue+0x5/0x2b\\n   __ubsan_handle_out_of_bounds.cold+0x54/0x59\\n   __this_module+0xe398c/0xe9010 [forcedeth]\\n   pci_pm_suspend+0x80/0x170\\n   dpm_run_callback+0x51/0x160\\n   device_suspend+0x1a2/0x4a0\\n   ...\\n\\nBoth loops are hit. UBSAN reports each source location only once per module\\nload (__ubsan_handle_out_of_bounds() calls suppress_report(), which does\\ntest_and_set_bit(REPORTED_BIT, ...) on the struct source_location), so the\\ntwo splats land in the first S3 cycle after the module is loaded and later\\ncycles are silent even though the access still runs off the end every time.\\nIn that first cycle line 6225 is reported from pci_pm_suspend and line 6240\\nfrom pci_pm_resume.\\n\\nThe same off-by-one was fixed in nv_get_regs() by commit ba9aa134287f\\n(\\\"forcedeth: fix buffer overflow\\\") in 2012; these two loops were missed.\\nThe suspend and resume side was reported on LKML in September 2013 by Marc\\nWeber, with the same analysis and the same one-character fix, but the patch\\nwas attached rather than sent inline and the thread ended there.\\n\\nUse \u003c instead of \u003c=, which saves and restores exactly register_size bytes.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/ethernet/nvidia/forcedeth.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"1a1ca86158eee303af5270338695f90bc7ae02b3\",\"lessThan\":\"effd589568b2c4399894a23000286210c60af6d7\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a1ca86158eee303af5270338695f90bc7ae02b3\",\"lessThan\":\"702aa4a44c87026b97b1da5c5ca80e1fa8a9875a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a1ca86158eee303af5270338695f90bc7ae02b3\",\"lessThan\":\"fc71c6c3d3e3bb17474dcd1162aea6783a452a64\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a1ca86158eee303af5270338695f90bc7ae02b3\",\"lessThan\":\"c4d5953582463f45e48b14ef9815e5fb636f7e1f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a1ca86158eee303af5270338695f90bc7ae02b3\",\"lessThan\":\"9379f8527ca60d92715c90b32f1b477de9ec32cb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a1ca86158eee303af5270338695f90bc7ae02b3\",\"lessThan\":\"0c3f4544ff3873594c8af1b907b4ac4e6d5ce005\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a1ca86158eee303af5270338695f90bc7ae02b3\",\"lessThan\":\"c4f196bfeedd71e56aba4b63bd8f919edb2f7056\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a1ca86158eee303af5270338695f90bc7ae02b3\",\"lessThan\":\"9393f1d656a79693e0c123ff7bc7c5c0f708046d\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/ethernet/nvidia/forcedeth.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.27\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.27\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.270\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.221\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.188\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.157\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.109\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.50\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.2.4\",\"lessThanOrEqual\":\"7.2.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.3-rc1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.2}]},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0c3f4544ff3873594c8af1b907b4ac4e6d5ce005\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/702aa4a44c87026b97b1da5c5ca80e1fa8a9875a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9379f8527ca60d92715c90b32f1b477de9ec32cb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9393f1d656a79693e0c123ff7bc7c5c0f708046d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c4d5953582463f45e48b14ef9815e5fb636f7e1f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c4f196bfeedd71e56aba4b63bd8f919edb2f7056\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/effd589568b2c4399894a23000286210c60af6d7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fc71c6c3d3e3bb17474dcd1162aea6783a452a64\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-09-13T06:50:38+00:00",
      "cve": "CVE-2026-89596",
      "id": "CVE-2026-89596",
      "initial_release_date": "2026-09-11T19:44:58.797000+00:00",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Linux kernel forcedeth driver: Out-of-bounds memory access can lead to kernel crash",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89596.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-13T16:58:21Z",
      "cve": "CVE-2026-89596",
      "id": "CVE-2026-89596",
      "initial_release_date": "2026-09-12T16:25:28Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-89596",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-89596.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.