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| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\natm: nicstar: Fix possible use-after-free in nicstar_cleanup()\n\nThis module's remove path calls del_timer(). However, that function\ndoes not wait until the timer handler finishes. This means that the\ntimer handler may still be running after the driver's remove function\nhas finished, which would result in a use-after-free.\n\nFix by calling del_timer_sync(), which makes sure the timer handler\nhas finished, and unable to re-schedule itself." |
| } |
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| "versionType": "semver" |
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| ], |
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| { |
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| "operator": "OR", |
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| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/99779c9d9ffc7775da6f7fd8a7c93ac61657bed5" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4e2a0848ea2cab0716d46f85a8ccd5fa9a493e51" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/c471569632654e57c83512e0fc1ba0dbb4544ad6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a7a7b2848312cc4c3a42b6e42a8ab2e441857aba" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/bdf5334250c69fabf555b7322c75249ea7d5f148" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a7f7c42e31157d1f0871d6a8e1a0b73a6b4ea785" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2f958b6f6ba0854b39be748d21dfe71e0fe6580f" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/5b991df8881088448cb223e769e37cab8dd40706" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/34e7434ba4e97f4b85c1423a59b2922ba7dff2ea" |
| } |
| ], |
| "title": "atm: nicstar: Fix possible use-after-free in nicstar_cleanup()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47355", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |