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CVE-2022-50529 (GCVE-0-2022-50529)

Vulnerability from cvelistv5 – Published: 2025-10-07 15:19 – Updated: 2026-05-11 19:21
VLAI
Title
test_firmware: fix memory leak in test_firmware_init()
Summary
In the Linux kernel, the following vulnerability has been resolved: test_firmware: fix memory leak in test_firmware_init() When misc_register() failed in test_firmware_init(), the memory pointed by test_fw_config->name is not released. The memory leak information is as follows: unreferenced object 0xffff88810a34cb00 (size 32): comm "insmod", pid 7952, jiffies 4294948236 (age 49.060s) hex dump (first 32 bytes): 74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69 test-firmware.bi 6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n............... backtrace: [<ffffffff81b21fcb>] __kmalloc_node_track_caller+0x4b/0xc0 [<ffffffff81affb96>] kstrndup+0x46/0xc0 [<ffffffffa0403a49>] __test_firmware_config_init+0x29/0x380 [test_firmware] [<ffffffffa040f068>] 0xffffffffa040f068 [<ffffffff81002c41>] do_one_initcall+0x141/0x780 [<ffffffff816a72c3>] do_init_module+0x1c3/0x630 [<ffffffff816adb9e>] load_module+0x623e/0x76a0 [<ffffffff816af471>] __do_sys_finit_module+0x181/0x240 [<ffffffff89978f99>] do_syscall_64+0x39/0xb0 [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c92316bf8e94830a0225f2e904cbdbd173768419 , < ed5cbafaf7ce8b86f19998c00eb020c8d49b017f (git)
Affected: c92316bf8e94830a0225f2e904cbdbd173768419 , < 04dd47a2e169f2d4489636afa07ff0469aab49ab (git)
Affected: c92316bf8e94830a0225f2e904cbdbd173768419 , < 628de998a3abfffb3f9677d2fb39a1d5dcb32fdb (git)
Affected: c92316bf8e94830a0225f2e904cbdbd173768419 , < 0b5a89e8bce1ea43687742b4de8e216189ff94ac (git)
Affected: c92316bf8e94830a0225f2e904cbdbd173768419 , < 357379d504c0c8b0834e206ad8c49e4b3c98ed4d (git)
Affected: c92316bf8e94830a0225f2e904cbdbd173768419 , < 8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247 (git)
Affected: c92316bf8e94830a0225f2e904cbdbd173768419 , < 6dd5fbd243f19f087dc79481acb7d69fb57fea2c (git)
Affected: c92316bf8e94830a0225f2e904cbdbd173768419 , < 7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e (git)
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Linux Linux Affected: 4.14
Unaffected: 0 , < 4.14 (semver)
Unaffected: 4.14.303 , ≤ 4.14.* (semver)
Unaffected: 4.19.270 , ≤ 4.19.* (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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The memory leak information is\\nas follows:\\nunreferenced object 0xffff88810a34cb00 (size 32):\\n  comm \\\"insmod\\\", pid 7952, jiffies 4294948236 (age 49.060s)\\n  hex dump (first 32 bytes):\\n    74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69  test-firmware.bi\\n    6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  n...............\\n  backtrace:\\n    [\u003cffffffff81b21fcb\u003e] __kmalloc_node_track_caller+0x4b/0xc0\\n    [\u003cffffffff81affb96\u003e] kstrndup+0x46/0xc0\\n    [\u003cffffffffa0403a49\u003e] __test_firmware_config_init+0x29/0x380 [test_firmware]\\n    [\u003cffffffffa040f068\u003e] 0xffffffffa040f068\\n    [\u003cffffffff81002c41\u003e] do_one_initcall+0x141/0x780\\n    [\u003cffffffff816a72c3\u003e] do_init_module+0x1c3/0x630\\n    [\u003cffffffff816adb9e\u003e] load_module+0x623e/0x76a0\\n    [\u003cffffffff816af471\u003e] __do_sys_finit_module+0x181/0x240\\n    [\u003cffffffff89978f99\u003e] do_syscall_64+0x39/0xb0\\n    [\u003cffffffff89a0008b\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"lib/test_firmware.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"c92316bf8e94830a0225f2e904cbdbd173768419\",\"lessThan\":\"ed5cbafaf7ce8b86f19998c00eb020c8d49b017f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c92316bf8e94830a0225f2e904cbdbd173768419\",\"lessThan\":\"04dd47a2e169f2d4489636afa07ff0469aab49ab\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c92316bf8e94830a0225f2e904cbdbd173768419\",\"lessThan\":\"628de998a3abfffb3f9677d2fb39a1d5dcb32fdb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c92316bf8e94830a0225f2e904cbdbd173768419\",\"lessThan\":\"0b5a89e8bce1ea43687742b4de8e216189ff94ac\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c92316bf8e94830a0225f2e904cbdbd173768419\",\"lessThan\":\"357379d504c0c8b0834e206ad8c49e4b3c98ed4d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c92316bf8e94830a0225f2e904cbdbd173768419\",\"lessThan\":\"8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c92316bf8e94830a0225f2e904cbdbd173768419\",\"lessThan\":\"6dd5fbd243f19f087dc79481acb7d69fb57fea2c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c92316bf8e94830a0225f2e904cbdbd173768419\",\"lessThan\":\"7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"lib/test_firmware.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.14\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.14\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.14.303\",\"lessThanOrEqual\":\"4.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.270\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.229\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.163\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.86\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.0.16\",\"lessThanOrEqual\":\"6.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.2\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.2\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.14\",\"versionEndExcluding\":\"4.14.303\",\"matchCriteriaId\":\"E245BC6C-44BD-47D1-A03D-9FE1F29BB25A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.270\",\"matchCriteriaId\":\"AE8904A3-99BE-4E49-9682-1F90A6373F4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.229\",\"matchCriteriaId\":\"A0C0D95E-414A-445E-941B-3EF6A4D3A093\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.163\",\"matchCriteriaId\":\"D05D31FC-BD74-4F9E-B1D8-9CED62BE6F65\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.86\",\"matchCriteriaId\":\"47237296-55D1-4ED4-8075-D00FC85A61EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.0.16\",\"matchCriteriaId\":\"C720A569-3D93-4D77-95F6-E2B3A3267D9F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1\",\"versionEndExcluding\":\"6.1.2\",\"matchCriteriaId\":\"77239F4B-6BB2-4B9E-A654-36A52396116C\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/04dd47a2e169f2d4489636afa07ff0469aab49ab\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0b5a89e8bce1ea43687742b4de8e216189ff94ac\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/357379d504c0c8b0834e206ad8c49e4b3c98ed4d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/628de998a3abfffb3f9677d2fb39a1d5dcb32fdb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6dd5fbd243f19f087dc79481acb7d69fb57fea2c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ed5cbafaf7ce8b86f19998c00eb020c8d49b017f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:37:00+00:00",
      "cve": "CVE-2022-50529",
      "id": "CVE-2022-50529",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: test_firmware: fix memory leak in test_firmware_init()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50529.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-14T01:16:24Z",
      "cve": "CVE-2022-50529",
      "id": "CVE-2022-50529",
      "initial_release_date": "2025-10-08T23:39:12Z",
      "product_status:known_affected": "452",
      "product_status:known_not_affected": "206",
      "product_status:recommended": "196",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-50529",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50529.json",
      "version": "30"
    }
  }
}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.