| { |
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| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix bpf_sk_select_reuseport() memory leak\n\nAs pointed out in the original comment, lookup in sockmap can return a TCP\nESTABLISHED socket. Such TCP socket may have had SO_ATTACH_REUSEPORT_EBPF\nset before it was ESTABLISHED. In other words, a non-NULL sk_reuseport_cb\ndoes not imply a non-refcounted socket.\n\nDrop sk's reference in both error paths.\n\nunreferenced object 0xffff888101911800 (size 2048):\n comm \"test_progs\", pid 44109, jiffies 4297131437\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 80 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace (crc 9336483b):\n __kmalloc_noprof+0x3bf/0x560\n __reuseport_alloc+0x1d/0x40\n reuseport_alloc+0xca/0x150\n reuseport_attach_prog+0x87/0x140\n sk_reuseport_attach_bpf+0xc8/0x100\n sk_setsockopt+0x1181/0x1990\n do_sock_setsockopt+0x12b/0x160\n __sys_setsockopt+0x7b/0xc0\n __x64_sys_setsockopt+0x1b/0x30\n do_syscall_64+0x93/0x180\n entry_SYSCALL_64_after_hwframe+0x76/0x7e" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/core/filter.c" |
| ], |
| "versions": [ |
| { |
| "version": "64d85290d79c0677edb5a8ee2295b36c022fa5df", |
| "lessThan": "bb36838dac7bb334a3f3d7eb29875593ec9473fc", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "64d85290d79c0677edb5a8ee2295b36c022fa5df", |
| "lessThan": "0ab52a8ca6e156a64c51b5e7456cac9a0ebfd9bf", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "64d85290d79c0677edb5a8ee2295b36c022fa5df", |
| "lessThan": "d0a3b3d1176d39218b8edb2a2d03164942ab9ccd", |
| "status": "affected", |
| "versionType": "git" |
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| "version": "64d85290d79c0677edb5a8ee2295b36c022fa5df", |
| "lessThan": "b02e70be498b138e9c21701c2f33f4018ca7cd5e", |
| "status": "affected", |
| "versionType": "git" |
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| "version": "64d85290d79c0677edb5a8ee2295b36c022fa5df", |
| "lessThan": "cccd51dd22574216e64e5d205489e634f86999f3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
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| "version": "64d85290d79c0677edb5a8ee2295b36c022fa5df", |
| "lessThan": "b3af60928ab9129befa65e6df0310d27300942bf", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/core/filter.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.8", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.8", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.234", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.177", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.127", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.74", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.11", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
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| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/bb36838dac7bb334a3f3d7eb29875593ec9473fc" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/0ab52a8ca6e156a64c51b5e7456cac9a0ebfd9bf" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d0a3b3d1176d39218b8edb2a2d03164942ab9ccd" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b02e70be498b138e9c21701c2f33f4018ca7cd5e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/cccd51dd22574216e64e5d205489e634f86999f3" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b3af60928ab9129befa65e6df0310d27300942bf" |
| } |
| ], |
| "title": "bpf: Fix bpf_sk_select_reuseport() memory leak", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2025-21683", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
