| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/9p: fix NULL pointer dereference on mkdir\n\nWhen a 9p tree was mounted with option 'posixacl', parent directory had a\ndefault ACL set for its subdirectories, e.g.:\n\n setfacl -m default:group:simpsons:rwx parentdir\n\nthen creating a subdirectory crashed 9p client, as v9fs_fid_add() call in\nfunction v9fs_vfs_mkdir_dotl() sets the passed 'fid' pointer to NULL\n(since dafbe689736) even though the subsequent v9fs_set_create_acl() call\nexpects a valid non-NULL 'fid' pointer:\n\n [ 37.273191] BUG: kernel NULL pointer dereference, address: 0000000000000000\n ...\n [ 37.322338] Call Trace:\n [ 37.323043] <TASK>\n [ 37.323621] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434)\n [ 37.324448] ? page_fault_oops (arch/x86/mm/fault.c:714)\n [ 37.325532] ? search_module_extables (kernel/module/main.c:3733)\n [ 37.326742] ? p9_client_walk (net/9p/client.c:1165) 9pnet\n [ 37.328006] ? search_bpf_extables (kernel/bpf/core.c:804)\n [ 37.329142] ? exc_page_fault (./arch/x86/include/asm/paravirt.h:686 arch/x86/mm/fault.c:1488 arch/x86/mm/fault.c:1538)\n [ 37.330196] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:574)\n [ 37.331330] ? p9_client_walk (net/9p/client.c:1165) 9pnet\n [ 37.332562] ? v9fs_fid_xattr_get (fs/9p/xattr.c:30) 9p\n [ 37.333824] v9fs_fid_xattr_set (fs/9p/fid.h:23 fs/9p/xattr.c:121) 9p\n [ 37.335077] v9fs_set_acl (fs/9p/acl.c:276) 9p\n [ 37.336112] v9fs_set_create_acl (fs/9p/acl.c:307) 9p\n [ 37.337326] v9fs_vfs_mkdir_dotl (fs/9p/vfs_inode_dotl.c:411) 9p\n [ 37.338590] vfs_mkdir (fs/namei.c:4313)\n [ 37.339535] do_mkdirat (fs/namei.c:4336)\n [ 37.340465] __x64_sys_mkdir (fs/namei.c:4354)\n [ 37.341455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)\n [ 37.342447] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n\nFix this by simply swapping the sequence of these two calls in\nv9fs_vfs_mkdir_dotl(), i.e. calling v9fs_set_create_acl() before\nv9fs_fid_add()." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/9p/vfs_inode_dotl.c" |
| ], |
| "versions": [ |
| { |
| "version": "dafbe689736f62c696ac64809b17bdc752cfbe76", |
| "lessThan": "8522051c58d68146b93e8a5ba9987e83b3d64e7b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "dafbe689736f62c696ac64809b17bdc752cfbe76", |
| "lessThan": "2139dea5c53e3bb63ac49a6901c85e525a80ee8a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "dafbe689736f62c696ac64809b17bdc752cfbe76", |
| "lessThan": "6517b395cb1e43fbf3962dd93e6fb4a5e5ab100e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "dafbe689736f62c696ac64809b17bdc752cfbe76", |
| "lessThan": "3f61ac7c65bdb26accb52f9db66313597e759821", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/9p/vfs_inode_dotl.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.0", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.0", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.23", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13.11", |
| "lessThanOrEqual": "6.13.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.14.2", |
| "lessThanOrEqual": "6.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.15", |
| "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:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.0", |
| "versionEndExcluding": "6.12.23" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.0", |
| "versionEndExcluding": "6.13.11" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.0", |
| "versionEndExcluding": "6.14.2" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.0", |
| "versionEndExcluding": "6.15" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/8522051c58d68146b93e8a5ba9987e83b3d64e7b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2139dea5c53e3bb63ac49a6901c85e525a80ee8a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/6517b395cb1e43fbf3962dd93e6fb4a5e5ab100e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3f61ac7c65bdb26accb52f9db66313597e759821" |
| } |
| ], |
| "title": "fs/9p: fix NULL pointer dereference on mkdir", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2025-22070", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
