blob: 6c1bc73983713201b5765d7ec1b9b3f40ef6ef9d [file] [log] [blame]
{
"containers": {
"cna": {
"providerMetadata": {
"orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ce - Fix use after free in unprepare\n\nsun8i_ce_cipher_unprepare should be called before\ncrypto_finalize_skcipher_request, because client callbacks may\nimmediately free memory, that isn't needed anymore. But it will be\nused by unprepare after free. Before removing prepare/unprepare\ncallbacks it was handled by crypto engine in crypto_finalize_request.\n\nUsually that results in a pointer dereference problem during a in\ncrypto selftest.\n Unable to handle kernel NULL pointer dereference at\n virtual address 0000000000000030\n Mem abort info:\n ESR = 0x0000000096000004\n EC = 0x25: DABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x04: level 0 translation fault\n Data abort info:\n ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n user pgtable: 4k pages, 48-bit VAs, pgdp=000000004716d000\n [0000000000000030] pgd=0000000000000000, p4d=0000000000000000\n Internal error: Oops: 0000000096000004 [#1] SMP\n\nThis problem is detected by KASAN as well.\n ==================================================================\n BUG: KASAN: slab-use-after-free in sun8i_ce_cipher_do_one+0x6e8/0xf80 [sun8i_ce]\n Read of size 8 at addr ffff00000dcdc040 by task 1c15000.crypto-/373\n\n Hardware name: Pine64 PinePhone (1.2) (DT)\n Call trace:\n dump_backtrace+0x9c/0x128\n show_stack+0x20/0x38\n dump_stack_lvl+0x48/0x60\n print_report+0xf8/0x5d8\n kasan_report+0x90/0xd0\n __asan_load8+0x9c/0xc0\n sun8i_ce_cipher_do_one+0x6e8/0xf80 [sun8i_ce]\n crypto_pump_work+0x354/0x620 [crypto_engine]\n kthread_worker_fn+0x244/0x498\n kthread+0x168/0x178\n ret_from_fork+0x10/0x20\n\n Allocated by task 379:\n kasan_save_stack+0x3c/0x68\n kasan_set_track+0x2c/0x40\n kasan_save_alloc_info+0x24/0x38\n __kasan_kmalloc+0xd4/0xd8\n __kmalloc+0x74/0x1d0\n alg_test_skcipher+0x90/0x1f0\n alg_test+0x24c/0x830\n cryptomgr_test+0x38/0x60\n kthread+0x168/0x178\n ret_from_fork+0x10/0x20\n\n Freed by task 379:\n kasan_save_stack+0x3c/0x68\n kasan_set_track+0x2c/0x40\n kasan_save_free_info+0x38/0x60\n __kasan_slab_free+0x100/0x170\n slab_free_freelist_hook+0xd4/0x1e8\n __kmem_cache_free+0x15c/0x290\n kfree+0x74/0x100\n kfree_sensitive+0x80/0xb0\n alg_test_skcipher+0x12c/0x1f0\n alg_test+0x24c/0x830\n cryptomgr_test+0x38/0x60\n kthread+0x168/0x178\n ret_from_fork+0x10/0x20\n\n The buggy address belongs to the object at ffff00000dcdc000\n which belongs to the cache kmalloc-256 of size 256\n The buggy address is located 64 bytes inside of\n freed 256-byte region [ffff00000dcdc000, ffff00000dcdc100)"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c"
],
"versions": [
{
"version": "4136212ab18eb3dce6efb6e18108765c36708f71",
"lessThan": "dc60b25540c82fc4baa95d1458ae96ead21859e0",
"status": "affected",
"versionType": "git"
},
{
"version": "4136212ab18eb3dce6efb6e18108765c36708f71",
"lessThan": "51a7d338c212e0640b1aca52ba6590d5bea49879",
"status": "affected",
"versionType": "git"
},
{
"version": "4136212ab18eb3dce6efb6e18108765c36708f71",
"lessThan": "183420038444547c149a0fc5f58e792c2752860c",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c"
],
"versions": [
{
"version": "6.6",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.6",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.24",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.7.12",
"lessThanOrEqual": "6.7.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.8",
"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": "6.6.24"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.6",
"versionEndExcluding": "6.7.12"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.6",
"versionEndExcluding": "6.8"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/dc60b25540c82fc4baa95d1458ae96ead21859e0"
},
{
"url": "https://git.kernel.org/stable/c/51a7d338c212e0640b1aca52ba6590d5bea49879"
},
{
"url": "https://git.kernel.org/stable/c/183420038444547c149a0fc5f58e792c2752860c"
}
],
"title": "crypto: sun8i-ce - Fix use after free in unprepare",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
"cveID": "CVE-2024-27061",
"requesterUserId": "gregkh@kernel.org",
"serial": "1",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.0"
}