| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: init: protect sched with rcu_read_lock\n\nEnabling CONFIG_PROVE_RCU_LIST with its dependence CONFIG_RCU_EXPERT\ncreates this splat when an MPTCP socket is created:\n\n =============================\n WARNING: suspicious RCU usage\n 6.12.0-rc2+ #11 Not tainted\n -----------------------------\n net/mptcp/sched.c:44 RCU-list traversed in non-reader section!!\n\n other info that might help us debug this:\n\n rcu_scheduler_active = 2, debug_locks = 1\n no locks held by mptcp_connect/176.\n\n stack backtrace:\n CPU: 0 UID: 0 PID: 176 Comm: mptcp_connect Not tainted 6.12.0-rc2+ #11\n Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011\n Call Trace:\n <TASK>\n dump_stack_lvl (lib/dump_stack.c:123)\n lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822)\n mptcp_sched_find (net/mptcp/sched.c:44 (discriminator 7))\n mptcp_init_sock (net/mptcp/protocol.c:2867 (discriminator 1))\n ? sock_init_data_uid (arch/x86/include/asm/atomic.h:28)\n inet_create.part.0.constprop.0 (net/ipv4/af_inet.c:386)\n ? __sock_create (include/linux/rcupdate.h:347 (discriminator 1))\n __sock_create (net/socket.c:1576)\n __sys_socket (net/socket.c:1671)\n ? __pfx___sys_socket (net/socket.c:1712)\n ? do_user_addr_fault (arch/x86/mm/fault.c:1419 (discriminator 1))\n __x64_sys_socket (net/socket.c:1728)\n do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1))\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n\nThat's because when the socket is initialised, rcu_read_lock() is not\nused despite the explicit comment written above the declaration of\nmptcp_sched_find() in sched.c. Adding the missing lock/unlock avoids the\nwarning." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/mptcp/protocol.c" |
| ], |
| "versions": [ |
| { |
| "version": "1730b2b2c5a5a886007b247366aebe0976dc8881", |
| "lessThan": "cb8b81ad3e893a6d18dcdd3754cc2ea2a42c0136", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1730b2b2c5a5a886007b247366aebe0976dc8881", |
| "lessThan": "494eb22f9a7bd03783e60595a57611c209175f1a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1730b2b2c5a5a886007b247366aebe0976dc8881", |
| "lessThan": "3deb12c788c385e17142ce6ec50f769852fcec65", |
| "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/mptcp/protocol.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.6", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.6", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.60", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11.7", |
| "lessThanOrEqual": "6.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12", |
| "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": "6.6", |
| "versionEndExcluding": "6.6.60" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6", |
| "versionEndExcluding": "6.11.7" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6", |
| "versionEndExcluding": "6.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/cb8b81ad3e893a6d18dcdd3754cc2ea2a42c0136" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/494eb22f9a7bd03783e60595a57611c209175f1a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3deb12c788c385e17142ce6ec50f769852fcec65" |
| } |
| ], |
| "title": "mptcp: init: protect sched with rcu_read_lock", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-53047", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
