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CVE-2025-68229 (GCVE-0-2025-68229)

Vulnerability from cvelistv5 – Published: 2025-12-16 13:57 – Updated: 2026-06-16 16:20
VLAI
Title
scsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show() If the allocation of tl_hba->sh fails in tcm_loop_driver_probe() and we attempt to dereference it in tcm_loop_tpg_address_show() we will get a segfault, see below for an example. So, check tl_hba->sh before dereferencing it. Unable to allocate struct scsi_host BUG: kernel NULL pointer dereference, address: 0000000000000194 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 1 PID: 8356 Comm: tokio-runtime-w Not tainted 6.6.104.2-4.azl3 #1 Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 09/28/2024 RIP: 0010:tcm_loop_tpg_address_show+0x2e/0x50 [tcm_loop] ... Call Trace: <TASK> configfs_read_iter+0x12d/0x1d0 [configfs] vfs_read+0x1b5/0x300 ksys_read+0x6f/0xf0 ...
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 16:20 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 2628b352c3d4905adf8129ea50900bd980b6ccef , < 63f511d3855f7f4b35dd63dbc58fc3d935a81268 (git)
Affected: 2628b352c3d4905adf8129ea50900bd980b6ccef , < 3d8c517f6eb27e47b1a198e05f8023038329b40b (git)
Affected: 2628b352c3d4905adf8129ea50900bd980b6ccef , < f449a1edd7a13bb025aaf9342ea6f8bf92684bbf (git)
Affected: 2628b352c3d4905adf8129ea50900bd980b6ccef , < 1c9ba455b5073253ceaadae4859546e38e8261fe (git)
Affected: 2628b352c3d4905adf8129ea50900bd980b6ccef , < a6ef60898ddaf1414592ce3e5b0d94276d631663 (git)
Affected: 2628b352c3d4905adf8129ea50900bd980b6ccef , < 72e8831079266749a7023618a0de2f289a9dced6 (git)
Affected: 2628b352c3d4905adf8129ea50900bd980b6ccef , < 13aff3b8a7184281b134698704d6c06863a8361b (git)
Affected: 2628b352c3d4905adf8129ea50900bd980b6ccef , < e6965188f84a7883e6a0d3448e86b0cf29b24dfc (git)
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Linux Linux Affected: 4.5
Unaffected: 0 , < 4.5 (semver)
Unaffected: 5.4.302 , ≤ 5.4.* (semver)
Unaffected: 5.10.247 , ≤ 5.10.* (semver)
Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.118 , ≤ 6.6.* (semver)
Unaffected: 6.12.60 , ≤ 6.12.* (semver)
Unaffected: 6.17.10 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "product_status:known_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: scsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68229.json",
      "version": "3"
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      "cve": "CVE-2025-68229",
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      "title": "SUSE CVE CVE-2025-68229",
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      "version": "17"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-68229\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-16T16:20:41.324654Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-16T16:20:51.864Z\"}}], \"cna\": {\"title\": \"scsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2628b352c3d4905adf8129ea50900bd980b6ccef\", \"lessThan\": \"63f511d3855f7f4b35dd63dbc58fc3d935a81268\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2628b352c3d4905adf8129ea50900bd980b6ccef\", \"lessThan\": \"3d8c517f6eb27e47b1a198e05f8023038329b40b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2628b352c3d4905adf8129ea50900bd980b6ccef\", \"lessThan\": \"f449a1edd7a13bb025aaf9342ea6f8bf92684bbf\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2628b352c3d4905adf8129ea50900bd980b6ccef\", \"lessThan\": \"1c9ba455b5073253ceaadae4859546e38e8261fe\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2628b352c3d4905adf8129ea50900bd980b6ccef\", \"lessThan\": \"a6ef60898ddaf1414592ce3e5b0d94276d631663\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2628b352c3d4905adf8129ea50900bd980b6ccef\", \"lessThan\": \"72e8831079266749a7023618a0de2f289a9dced6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2628b352c3d4905adf8129ea50900bd980b6ccef\", \"lessThan\": \"13aff3b8a7184281b134698704d6c06863a8361b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2628b352c3d4905adf8129ea50900bd980b6ccef\", \"lessThan\": \"e6965188f84a7883e6a0d3448e86b0cf29b24dfc\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/target/loopback/tcm_loop.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.5\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.302\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.247\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.197\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.159\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.118\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.60\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.17.10\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.17.*\"}, {\"status\": \"unaffected\", \"version\": \"6.18\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/target/loopback/tcm_loop.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/63f511d3855f7f4b35dd63dbc58fc3d935a81268\"}, {\"url\": \"https://git.kernel.org/stable/c/3d8c517f6eb27e47b1a198e05f8023038329b40b\"}, {\"url\": \"https://git.kernel.org/stable/c/f449a1edd7a13bb025aaf9342ea6f8bf92684bbf\"}, {\"url\": \"https://git.kernel.org/stable/c/1c9ba455b5073253ceaadae4859546e38e8261fe\"}, {\"url\": \"https://git.kernel.org/stable/c/a6ef60898ddaf1414592ce3e5b0d94276d631663\"}, {\"url\": \"https://git.kernel.org/stable/c/72e8831079266749a7023618a0de2f289a9dced6\"}, {\"url\": \"https://git.kernel.org/stable/c/13aff3b8a7184281b134698704d6c06863a8361b\"}, {\"url\": \"https://git.kernel.org/stable/c/e6965188f84a7883e6a0d3448e86b0cf29b24dfc\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()\\n\\nIf the allocation of tl_hba-\u003esh fails in tcm_loop_driver_probe() and we\\nattempt to dereference it in tcm_loop_tpg_address_show() we will get a\\nsegfault, see below for an example. So, check tl_hba-\u003esh before\\ndereferencing it.\\n\\n  Unable to allocate struct scsi_host\\n  BUG: kernel NULL pointer dereference, address: 0000000000000194\\n  #PF: supervisor read access in kernel mode\\n  #PF: error_code(0x0000) - not-present page\\n  PGD 0 P4D 0\\n  Oops: 0000 [#1] PREEMPT SMP NOPTI\\n  CPU: 1 PID: 8356 Comm: tokio-runtime-w Not tainted 6.6.104.2-4.azl3 #1\\n  Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 09/28/2024\\n  RIP: 0010:tcm_loop_tpg_address_show+0x2e/0x50 [tcm_loop]\\n...\\n  Call Trace:\\n   \u003cTASK\u003e\\n   configfs_read_iter+0x12d/0x1d0 [configfs]\\n   vfs_read+0x1b5/0x300\\n   ksys_read+0x6f/0xf0\\n...\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.302\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.247\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.197\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.159\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.118\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.60\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.17.10\", \"versionStartIncluding\": \"4.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.18\", \"versionStartIncluding\": \"4.5\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T21:49:19.685Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-68229\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-16T16:20:56.408Z\", \"dateReserved\": \"2025-12-16T13:41:40.258Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-12-16T13:57:21.835Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.