CVE-2024-53174 (GCVE-0-2024-53174)

Vulnerability from cvelistv5 – Published: 2024-12-27 13:49 – Updated: 2026-08-05 11:44
VLAI
Title
SUNRPC: make sure cache entry active before cache_show
Summary
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: make sure cache entry active before cache_show The function `c_show` was called with protection from RCU. This only ensures that `cp` will not be freed. Therefore, the reference count for `cp` can drop to zero, which will trigger a refcount use-after-free warning when `cache_get` is called. To resolve this issue, use `cache_get_rcu` to ensure that `cp` remains active. ------------[ cut here ]------------ refcount_t: addition on 0; use-after-free. WARNING: CPU: 7 PID: 822 at lib/refcount.c:25 refcount_warn_saturate+0xb1/0x120 CPU: 7 UID: 0 PID: 822 Comm: cat Not tainted 6.12.0-rc3+ #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.1-2.fc37 04/01/2014 RIP: 0010:refcount_warn_saturate+0xb1/0x120 Call Trace: <TASK> c_show+0x2fc/0x380 [sunrpc] seq_read_iter+0x589/0x770 seq_read+0x1e5/0x270 proc_reg_read+0xe1/0x140 vfs_read+0x125/0x530 ksys_read+0xc1/0x160 do_syscall_64+0x5f/0x170 entry_SYSCALL_64_after_hwframe+0x76/0x7e
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: d48cf356a13073853f19be6ca5ebbecfc2762ebe , < e9be26735d055c42543a4d047a769cc6d0fb1504 (git)
Affected: d48cf356a13073853f19be6ca5ebbecfc2762ebe , < 02999e135b013d85c6df738746e8e24699befee4 (git)
Affected: d48cf356a13073853f19be6ca5ebbecfc2762ebe , < c7dac3af57e38b2054f990e573256d90bf887958 (git)
Affected: d48cf356a13073853f19be6ca5ebbecfc2762ebe , < 068c0b50f3f700b94f78850834cd91ae3b34c2c1 (git)
Affected: d48cf356a13073853f19be6ca5ebbecfc2762ebe , < acfaf37888e0f0732fb6a50ff093dce6d99994d0 (git)
Affected: d48cf356a13073853f19be6ca5ebbecfc2762ebe , < ec305f303bf070b4f6896b7a76009f702956d402 (git)
Affected: d48cf356a13073853f19be6ca5ebbecfc2762ebe , < d882e2b7fad3f5e5fac66184a347f408813f654a (git)
Affected: d48cf356a13073853f19be6ca5ebbecfc2762ebe , < 2862eee078a4d2d1f584e7f24fa50dddfa5f3471 (git)
Create a notification for this product.
Linux Linux Affected: 4.20
Unaffected: 0 , < 4.20 (semver)
Unaffected: 5.4.287 , ≤ 5.4.* (semver)
Unaffected: 5.10.231 , ≤ 5.10.* (semver)
Unaffected: 5.15.174 , ≤ 5.15.* (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.64 , ≤ 6.6.* (semver)
Unaffected: 6.11.11 , ≤ 6.11.* (semver)
Unaffected: 6.12.2 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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              "privilegesRequired": "LOW",
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              "userInteraction": "NONE",
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: make sure cache entry active before cache_show\n\nThe function `c_show` was called with protection from RCU. This only\nensures that `cp` will not be freed. Therefore, the reference count for\n`cp` can drop to zero, which will trigger a refcount use-after-free\nwarning when `cache_get` is called. To resolve this issue, use\n`cache_get_rcu` to ensure that `cp` remains active.\n\n------------[ cut here ]------------\nrefcount_t: addition on 0; use-after-free.\nWARNING: CPU: 7 PID: 822 at lib/refcount.c:25\nrefcount_warn_saturate+0xb1/0x120\nCPU: 7 UID: 0 PID: 822 Comm: cat Not tainted 6.12.0-rc3+ #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.16.1-2.fc37 04/01/2014\nRIP: 0010:refcount_warn_saturate+0xb1/0x120\n\nCall Trace:\n \u003cTASK\u003e\n c_show+0x2fc/0x380 [sunrpc]\n seq_read_iter+0x589/0x770\n seq_read+0x1e5/0x270\n proc_reg_read+0xe1/0x140\n vfs_read+0x125/0x530\n ksys_read+0xc1/0x160\n do_syscall_64+0x5f/0x170\n entry_SYSCALL_64_after_hwframe+0x76/0x7e"
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            "version": "3.1"
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              "value": "AV:L - The vulnerability is triggered by a read() syscall on the procfs file /proc/net/rpc/*/content (path proc_reg_read \u2192 seq_read \u2192 c_show); it requires local access, not network reachability.\nAC:L - The attacker controls both sides of the race \u2014 populating entries by writing the cache\u0027s channel file and dropping their refcount by writing flush, while looping reads of content \u2014 so the UAF window can be hit repeatably; per guidance, attacker-controlled races are Low.\nPR:L - In the init namespace content is root-only (mode 400), but an unprivileged user can create a user+network namespace (unshare -Ur; unshare -n) and become root of the fresh per-netns sunrpc caches, gaining read access to content and write access to channel/flush \u2014 empirically verified. This is Low, not High.\nUI:N - The attacker performs the cache population, flush, and read entirely on its own; no victim interaction is needed.\nS:U - The use-after-free is confined to the kernel\u0027s own memory/authority; no crossing of a security boundary such as VM or IOMMU is involved.\nC:H - The use-after-free lets c_show read fields of a potentially freed and reallocated cache_head and emit them into the content output the attacker reads, enabling disclosure of freed/reused kernel memory.\nI:H - A use-after-free on the cache_head (with cache_check/cache_put operating on freed, potentially reallocated memory) provides a corruption primitive; per guidance UAFs are scored High for integrity.\nA:H - The use-after-free corrupts refcounting and touches freed memory, readily causing an oops/panic; per guidance any UAF/crash is High."
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        "dateUpdated": "2026-08-05T11:44:21.962Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/e9be26735d055c42543a4d047a769cc6d0fb1504"
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          "url": "https://git.kernel.org/stable/c/2862eee078a4d2d1f584e7f24fa50dddfa5f3471"
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      "title": "SUNRPC: make sure cache entry active before cache_show",
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-53174",
    "datePublished": "2024-12-27T13:49:18.892Z",
    "dateReserved": "2024-11-19T17:17:25.007Z",
    "dateUpdated": "2026-08-05T11:44:21.962Z",
    "state": "PUBLISHED"
  },
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    "epss": {
      "cve": "CVE-2024-53174",
      "date": "2026-08-06",
      "epss": "0.00249",
      "percentile": "0.16215"
    },
    "fkie_nvd": {
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nSUNRPC: make sure cache entry active before cache_show\\n\\nThe function `c_show` was called with protection from RCU. This only\\nensures that `cp` will not be freed. Therefore, the reference count for\\n`cp` can drop to zero, which will trigger a refcount use-after-free\\nwarning when `cache_get` is called. To resolve this issue, use\\n`cache_get_rcu` to ensure that `cp` remains active.\\n\\n------------[ cut here ]------------\\nrefcount_t: addition on 0; use-after-free.\\nWARNING: CPU: 7 PID: 822 at lib/refcount.c:25\\nrefcount_warn_saturate+0xb1/0x120\\nCPU: 7 UID: 0 PID: 822 Comm: cat Not tainted 6.12.0-rc3+ #1\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\\n1.16.1-2.fc37 04/01/2014\\nRIP: 0010:refcount_warn_saturate+0xb1/0x120\\n\\nCall Trace:\\n \u003cTASK\u003e\\n c_show+0x2fc/0x380 [sunrpc]\\n seq_read_iter+0x589/0x770\\n seq_read+0x1e5/0x270\\n proc_reg_read+0xe1/0x140\\n vfs_read+0x125/0x530\\n ksys_read+0xc1/0x160\\n do_syscall_64+0x5f/0x170\\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: SUNRPC: aseg\\u00farese de que la entrada de cach\\u00e9 est\\u00e9 activa antes de cache_show La funci\\u00f3n `c_show` se llam\\u00f3 con protecci\\u00f3n de RCU. Esto solo garantiza que `cp` no se liberar\\u00e1. Por lo tanto, el recuento de referencia para `cp` puede caer a cero, lo que activar\\u00e1 una advertencia de use-after-free de refcount cuando se llame a `cache_get`. Para resolver este problema, use `cache_get_rcu` para asegurarse de que `cp` permanezca activo. ------------[ cortar aqu\\u00ed ]------------ refcount_t: adici\\u00f3n en 0; use-after-free. ADVERTENCIA: CPU: 7 PID: 822 en lib/refcount.c:25 refcount_warn_saturate+0xb1/0x120 CPU: 7 UID: 0 PID: 822 Comm: cat No contaminado 6.12.0-rc3+ #1 Nombre del hardware: PC est\\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.16.1-2.fc37 01/04/2014 RIP: 0010:refcount_warn_saturate+0xb1/0x120 Seguimiento de llamadas:  c_show+0x2fc/0x380 [sunrpc] seq_read_iter+0x589/0x770 seq_read+0x1e5/0x270 proc_reg_read+0xe1/0x140 vfs_read+0x125/0x530 ksys_read+0xc1/0x160 hacer_syscall_64+0x5f/0x170 entrada_SYSCALL_64_despu\\u00e9s_hwframe+0x76/0x7e\"}]",
      "id": "CVE-2024-53174",
      "lastModified": "2024-12-27T14:15:24.703",
      "published": "2024-12-27T14:15:24.703",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/02999e135b013d85c6df738746e8e24699befee4\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/068c0b50f3f700b94f78850834cd91ae3b34c2c1\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/2862eee078a4d2d1f584e7f24fa50dddfa5f3471\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/acfaf37888e0f0732fb6a50ff093dce6d99994d0\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/c7dac3af57e38b2054f990e573256d90bf887958\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/d882e2b7fad3f5e5fac66184a347f408813f654a\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/e9be26735d055c42543a4d047a769cc6d0fb1504\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/ec305f303bf070b4f6896b7a76009f702956d402\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Awaiting Analysis"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-53174\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T14:15:24.703\",\"lastModified\":\"2026-06-17T08:08:29.537\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nSUNRPC: make sure cache entry active before cache_show\\n\\nThe function `c_show` was called with protection from RCU. This only\\nensures that `cp` will not be freed. Therefore, the reference count for\\n`cp` can drop to zero, which will trigger a refcount use-after-free\\nwarning when `cache_get` is called. To resolve this issue, use\\n`cache_get_rcu` to ensure that `cp` remains active.\\n\\n------------[ cut here ]------------\\nrefcount_t: addition on 0; use-after-free.\\nWARNING: CPU: 7 PID: 822 at lib/refcount.c:25\\nrefcount_warn_saturate+0xb1/0x120\\nCPU: 7 UID: 0 PID: 822 Comm: cat Not tainted 6.12.0-rc3+ #1\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\\n1.16.1-2.fc37 04/01/2014\\nRIP: 0010:refcount_warn_saturate+0xb1/0x120\\n\\nCall Trace:\\n \u003cTASK\u003e\\n c_show+0x2fc/0x380 [sunrpc]\\n seq_read_iter+0x589/0x770\\n seq_read+0x1e5/0x270\\n proc_reg_read+0xe1/0x140\\n vfs_read+0x125/0x530\\n ksys_read+0xc1/0x160\\n do_syscall_64+0x5f/0x170\\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: SUNRPC: aseg\u00farese de que la entrada de cach\u00e9 est\u00e9 activa antes de cache_show La funci\u00f3n `c_show` se llam\u00f3 con protecci\u00f3n de RCU. Esto solo garantiza que `cp` no se liberar\u00e1. Por lo tanto, el recuento de referencia para `cp` puede caer a cero, lo que activar\u00e1 una advertencia de use-after-free de refcount cuando se llame a `cache_get`. Para resolver este problema, use `cache_get_rcu` para asegurarse de que `cp` permanezca activo. ------------[ cortar aqu\u00ed ]------------ refcount_t: adici\u00f3n en 0; use-after-free. ADVERTENCIA: CPU: 7 PID: 822 en lib/refcount.c:25 refcount_warn_saturate+0xb1/0x120 CPU: 7 UID: 0 PID: 822 Comm: cat No contaminado 6.12.0-rc3+ #1 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.16.1-2.fc37 01/04/2014 RIP: 0010:refcount_warn_saturate+0xb1/0x120 Seguimiento de llamadas:  c_show+0x2fc/0x380 [sunrpc] seq_read_iter+0x589/0x770 seq_read+0x1e5/0x270 proc_reg_read+0xe1/0x140 vfs_read+0x125/0x530 ksys_read+0xc1/0x160 hacer_syscall_64+0x5f/0x170 entrada_SYSCALL_64_despu\u00e9s_hwframe+0x76/0x7e\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/sunrpc/cache.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"d48cf356a13073853f19be6ca5ebbecfc2762ebe\",\"lessThan\":\"e9be26735d055c42543a4d047a769cc6d0fb1504\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d48cf356a13073853f19be6ca5ebbecfc2762ebe\",\"lessThan\":\"02999e135b013d85c6df738746e8e24699befee4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d48cf356a13073853f19be6ca5ebbecfc2762ebe\",\"lessThan\":\"c7dac3af57e38b2054f990e573256d90bf887958\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d48cf356a13073853f19be6ca5ebbecfc2762ebe\",\"lessThan\":\"068c0b50f3f700b94f78850834cd91ae3b34c2c1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d48cf356a13073853f19be6ca5ebbecfc2762ebe\",\"lessThan\":\"acfaf37888e0f0732fb6a50ff093dce6d99994d0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d48cf356a13073853f19be6ca5ebbecfc2762ebe\",\"lessThan\":\"ec305f303bf070b4f6896b7a76009f702956d402\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d48cf356a13073853f19be6ca5ebbecfc2762ebe\",\"lessThan\":\"d882e2b7fad3f5e5fac66184a347f408813f654a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d48cf356a13073853f19be6ca5ebbecfc2762ebe\",\"lessThan\":\"2862eee078a4d2d1f584e7f24fa50dddfa5f3471\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/sunrpc/cache.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.20\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.20\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.287\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.231\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.174\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.120\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.64\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.11\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.2\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.13\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-02-11T15:43:35.253566Z\",\"id\":\"CVE-2024-53174\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.4.287\",\"matchCriteriaId\":\"DC7D5C80-B677-4131-A399-3366D7F3961C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.231\",\"matchCriteriaId\":\"B5C644CC-2BD7-4E32-BC54-8DCC7ABE9935\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.174\",\"matchCriteriaId\":\"419FD073-1517-4FD5-8158-F94BC68A1E89\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.120\",\"matchCriteriaId\":\"09AC6122-E2A4-40FE-9D33-268A1B2EC265\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.64\",\"matchCriteriaId\":\"CA16DEE3-ABEC-4449-9F4A-7A3DC4FC36C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.11\",\"matchCriteriaId\":\"21434379-192D-472F-9B54-D45E3650E893\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12\",\"versionEndExcluding\":\"6.12.2\",\"matchCriteriaId\":\"D8882B1B-2ABC-4838-AC1D-DBDBB5764776\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/02999e135b013d85c6df738746e8e24699befee4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/068c0b50f3f700b94f78850834cd91ae3b34c2c1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2862eee078a4d2d1f584e7f24fa50dddfa5f3471\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/acfaf37888e0f0732fb6a50ff093dce6d99994d0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c7dac3af57e38b2054f990e573256d90bf887958\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d882e2b7fad3f5e5fac66184a347f408813f654a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e9be26735d055c42543a4d047a769cc6d0fb1504\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ec305f303bf070b4f6896b7a76009f702956d402\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T07:52:08+00:00",
      "cve": "CVE-2024-53174",
      "id": "CVE-2024-53174",
      "initial_release_date": "2024-12-27T00:00:00+00:00",
      "product_status:fixed": "305",
      "product_status:known_affected": "112",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: SUNRPC: make sure cache entry active before cache_show",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-53174.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-31T01:25:11Z",
      "cve": "CVE-2024-53174",
      "id": "CVE-2024-53174",
      "initial_release_date": "2024-12-28T03:50:52Z",
      "product_status:known_affected": "629",
      "product_status:known_not_affected": "76",
      "product_status:recommended": "507",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-53174",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-53174.json",
      "version": "79"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:47:09.594Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-53174\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-11T15:43:35.253566Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-11T15:43:36.911Z\"}}], \"cna\": {\"title\": \"SUNRPC: make sure cache entry active before cache_show\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"d48cf356a13073853f19be6ca5ebbecfc2762ebe\", \"lessThan\": \"e9be26735d055c42543a4d047a769cc6d0fb1504\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d48cf356a13073853f19be6ca5ebbecfc2762ebe\", \"lessThan\": \"02999e135b013d85c6df738746e8e24699befee4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d48cf356a13073853f19be6ca5ebbecfc2762ebe\", \"lessThan\": \"c7dac3af57e38b2054f990e573256d90bf887958\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d48cf356a13073853f19be6ca5ebbecfc2762ebe\", \"lessThan\": \"068c0b50f3f700b94f78850834cd91ae3b34c2c1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d48cf356a13073853f19be6ca5ebbecfc2762ebe\", \"lessThan\": \"acfaf37888e0f0732fb6a50ff093dce6d99994d0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d48cf356a13073853f19be6ca5ebbecfc2762ebe\", \"lessThan\": \"ec305f303bf070b4f6896b7a76009f702956d402\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d48cf356a13073853f19be6ca5ebbecfc2762ebe\", \"lessThan\": \"d882e2b7fad3f5e5fac66184a347f408813f654a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d48cf356a13073853f19be6ca5ebbecfc2762ebe\", \"lessThan\": \"2862eee078a4d2d1f584e7f24fa50dddfa5f3471\", \"versionType\": \"git\"}], \"programFiles\": [\"net/sunrpc/cache.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.20\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.20\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.287\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.231\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.174\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/sunrpc/cache.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e9be26735d055c42543a4d047a769cc6d0fb1504\"}, {\"url\": \"https://git.kernel.org/stable/c/02999e135b013d85c6df738746e8e24699befee4\"}, {\"url\": \"https://git.kernel.org/stable/c/c7dac3af57e38b2054f990e573256d90bf887958\"}, {\"url\": \"https://git.kernel.org/stable/c/068c0b50f3f700b94f78850834cd91ae3b34c2c1\"}, {\"url\": \"https://git.kernel.org/stable/c/acfaf37888e0f0732fb6a50ff093dce6d99994d0\"}, {\"url\": \"https://git.kernel.org/stable/c/ec305f303bf070b4f6896b7a76009f702956d402\"}, {\"url\": \"https://git.kernel.org/stable/c/d882e2b7fad3f5e5fac66184a347f408813f654a\"}, {\"url\": \"https://git.kernel.org/stable/c/2862eee078a4d2d1f584e7f24fa50dddfa5f3471\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nSUNRPC: make sure cache entry active before cache_show\\n\\nThe function `c_show` was called with protection from RCU. This only\\nensures that `cp` will not be freed. Therefore, the reference count for\\n`cp` can drop to zero, which will trigger a refcount use-after-free\\nwarning when `cache_get` is called. To resolve this issue, use\\n`cache_get_rcu` to ensure that `cp` remains active.\\n\\n------------[ cut here ]------------\\nrefcount_t: addition on 0; use-after-free.\\nWARNING: CPU: 7 PID: 822 at lib/refcount.c:25\\nrefcount_warn_saturate+0xb1/0x120\\nCPU: 7 UID: 0 PID: 822 Comm: cat Not tainted 6.12.0-rc3+ #1\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\\n1.16.1-2.fc37 04/01/2014\\nRIP: 0010:refcount_warn_saturate+0xb1/0x120\\n\\nCall Trace:\\n \u003cTASK\u003e\\n c_show+0x2fc/0x380 [sunrpc]\\n seq_read_iter+0x589/0x770\\n seq_read+0x1e5/0x270\\n proc_reg_read+0xe1/0x140\\n vfs_read+0x125/0x530\\n ksys_read+0xc1/0x160\\n do_syscall_64+0x5f/0x170\\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.287\", \"versionStartIncluding\": \"4.20\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.231\", \"versionStartIncluding\": \"4.20\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.174\", \"versionStartIncluding\": \"4.20\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.120\", \"versionStartIncluding\": \"4.20\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.64\", \"versionStartIncluding\": \"4.20\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.11\", \"versionStartIncluding\": \"4.20\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.2\", \"versionStartIncluding\": \"4.20\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13\", \"versionStartIncluding\": \"4.20\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-01-05T10:55:39.550Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-53174\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-05T10:55:39.550Z\", \"dateReserved\": \"2024-11-19T17:17:25.007Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-12-27T13:49:18.892Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Taxonomy of the tags.





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.