| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix UAF in decryption with multichannel\n\nAfter commit f7025d861694 (\"smb: client: allocate crypto only for\nprimary server\") and commit b0abcd65ec54 (\"smb: client: fix UAF in\nasync decryption\"), the channels started reusing AEAD TFM from primary\nchannel to perform synchronous decryption, but that can't done as\nthere could be multiple cifsd threads (one per channel) simultaneously\naccessing it to perform decryption.\n\nThis fixes the following KASAN splat when running fstest generic/249\nwith 'vers=3.1.1,multichannel,max_channels=4,seal' against Windows\nServer 2022:\n\nBUG: KASAN: slab-use-after-free in gf128mul_4k_lle+0xba/0x110\nRead of size 8 at addr ffff8881046c18a0 by task cifsd/986\nCPU: 3 UID: 0 PID: 986 Comm: cifsd Not tainted 6.15.0-rc1 #1\nPREEMPT(voluntary)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-3.fc41\n04/01/2014\nCall Trace:\n <TASK>\n dump_stack_lvl+0x5d/0x80\n print_report+0x156/0x528\n ? gf128mul_4k_lle+0xba/0x110\n ? __virt_addr_valid+0x145/0x300\n ? __phys_addr+0x46/0x90\n ? gf128mul_4k_lle+0xba/0x110\n kasan_report+0xdf/0x1a0\n ? gf128mul_4k_lle+0xba/0x110\n gf128mul_4k_lle+0xba/0x110\n ghash_update+0x189/0x210\n shash_ahash_update+0x295/0x370\n ? __pfx_shash_ahash_update+0x10/0x10\n ? __pfx_shash_ahash_update+0x10/0x10\n ? __pfx_extract_iter_to_sg+0x10/0x10\n ? ___kmalloc_large_node+0x10e/0x180\n ? __asan_memset+0x23/0x50\n crypto_ahash_update+0x3c/0xc0\n gcm_hash_assoc_remain_continue+0x93/0xc0\n crypt_message+0xe09/0xec0 [cifs]\n ? __pfx_crypt_message+0x10/0x10 [cifs]\n ? _raw_spin_unlock+0x23/0x40\n ? __pfx_cifs_readv_from_socket+0x10/0x10 [cifs]\n decrypt_raw_data+0x229/0x380 [cifs]\n ? __pfx_decrypt_raw_data+0x10/0x10 [cifs]\n ? __pfx_cifs_read_iter_from_socket+0x10/0x10 [cifs]\n smb3_receive_transform+0x837/0xc80 [cifs]\n ? __pfx_smb3_receive_transform+0x10/0x10 [cifs]\n ? __pfx___might_resched+0x10/0x10\n ? __pfx_smb3_is_transform_hdr+0x10/0x10 [cifs]\n cifs_demultiplex_thread+0x692/0x1570 [cifs]\n ? __pfx_cifs_demultiplex_thread+0x10/0x10 [cifs]\n ? rcu_is_watching+0x20/0x50\n ? rcu_lockdep_current_cpu_online+0x62/0xb0\n ? find_held_lock+0x32/0x90\n ? kvm_sched_clock_read+0x11/0x20\n ? local_clock_noinstr+0xd/0xd0\n ? trace_irq_enable.constprop.0+0xa8/0xe0\n ? __pfx_cifs_demultiplex_thread+0x10/0x10 [cifs]\n kthread+0x1fe/0x380\n ? kthread+0x10f/0x380\n ? __pfx_kthread+0x10/0x10\n ? local_clock_noinstr+0xd/0xd0\n ? ret_from_fork+0x1b/0x60\n ? local_clock+0x15/0x30\n ? lock_release+0x29b/0x390\n ? rcu_is_watching+0x20/0x50\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x31/0x60\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n </TASK>" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/smb/client/cifsencrypt.c", |
| "fs/smb/client/smb2ops.c", |
| "fs/smb/client/smb2pdu.c" |
| ], |
| "versions": [ |
| { |
| "version": "b0abcd65ec545701b8793e12bc27dc98042b151a", |
| "lessThan": "aa5a1e4b882964eb79d5b5d1d1e8a1a5efbb1d15", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b0abcd65ec545701b8793e12bc27dc98042b151a", |
| "lessThan": "e859b216d94668bc66330e61be201234f4413d1a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b0abcd65ec545701b8793e12bc27dc98042b151a", |
| "lessThan": "950557922c1298464749c216d8763e97faf5d0a6", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b0abcd65ec545701b8793e12bc27dc98042b151a", |
| "lessThan": "9502dd5c7029902f4a425bf959917a5a9e7c0e50", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "8f14a476abba13144df5434871a7225fd29af633", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "ef51c0d544b1518b35364480317ab6d3468f205d", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "bce966530fd5542bbb422cb45ecb775f7a1a6bc3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "0809fb86ad13b29e1d6d491364fc7ea4fb545995", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "538c26d9bf70c90edc460d18c81008a4e555925a", |
| "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/smb/client/cifsencrypt.c", |
| "fs/smb/client/smb2ops.c", |
| "fs/smb/client/smb2pdu.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.12", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.12", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.24", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13.12", |
| "lessThanOrEqual": "6.13.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.14.3", |
| "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": "6.12", |
| "versionEndExcluding": "6.12.24" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.12", |
| "versionEndExcluding": "6.13.12" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.12", |
| "versionEndExcluding": "6.14.3" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.12", |
| "versionEndExcluding": "6.15" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10.237" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.15.181" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1.128" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6.57" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.11.4" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/aa5a1e4b882964eb79d5b5d1d1e8a1a5efbb1d15" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e859b216d94668bc66330e61be201234f4413d1a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/950557922c1298464749c216d8763e97faf5d0a6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9502dd5c7029902f4a425bf959917a5a9e7c0e50" |
| } |
| ], |
| "title": "smb: client: fix UAF in decryption with multichannel", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2025-37750", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
