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vuln-cve/data/2023/53xxx/CVE-2023-53147.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-53147",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-05-02T15:51:43.565Z",
"datePublished": "2025-09-15T14:03:08.937Z",
"dateUpdated": "2026-11-05T20:21:05.027Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:39:21.360Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: add NULL check in xfrm_update_ae_params\n\nNormally, x->replay_esn and x->preplay_esn should be allocated at\nxfrm_alloc_replay_state_esn(...) in xfrm_state_construct(...), hence the\nxfrm_update_ae_params(...) is okay to update them. However, the current\nimplementation of xfrm_new_ae(...) allows a malicious user to directly\ndereference a NULL pointer and crash the kernel like below.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nPGD 8253067 P4D 8253067 PUD 8e0e067 PMD 0\nOops: 0002 [#1] PREEMPT SMP KASAN NOPTI\nCPU: 0 PID: 98 Comm: poc.npd Not tainted 6.4.0-rc7-00072-gdad9774deaf1 #8\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.o4\nRIP: 0010:memcpy_orig+0xad/0x140\nCode: e8 4c 89 5f e0 48 8d 7f e0 73 d2 83 c2 20 48 29 d6 48 29 d7 83 fa 10 72 34 4c 8b 06 4c 8b 4e 08 c\nRSP: 0018:ffff888008f57658 EFLAGS: 00000202\nRAX: 0000000000000000 RBX: ffff888008bd0000 RCX: ffffffff8238e571\nRDX: 0000000000000018 RSI: ffff888007f64844 RDI: 0000000000000000\nRBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000000 R12: ffff888008f57818\nR13: ffff888007f64aa4 R14: 0000000000000000 R15: 0000000000000000\nFS: 00000000014013c0(0000) GS:ffff88806d600000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000000 CR3: 00000000054d8000 CR4: 00000000000006f0\nCall Trace:\n <TASK>\n ? __die+0x1f/0x70\n ? page_fault_oops+0x1e8/0x500\n ? __pfx_is_prefetch.constprop.0+0x10/0x10\n ? __pfx_page_fault_oops+0x10/0x10\n ? _raw_spin_unlock_irqrestore+0x11/0x40\n ? fixup_exception+0x36/0x460\n ? _raw_spin_unlock_irqrestore+0x11/0x40\n ? exc_page_fault+0x5e/0xc0\n ? asm_exc_page_fault+0x26/0x30\n ? xfrm_update_ae_params+0xd1/0x260\n ? memcpy_orig+0xad/0x140\n ? __pfx__raw_spin_lock_bh+0x10/0x10\n xfrm_update_ae_params+0xe7/0x260\n xfrm_new_ae+0x298/0x4e0\n ? __pfx_xfrm_new_ae+0x10/0x10\n ? __pfx_xfrm_new_ae+0x10/0x10\n xfrm_user_rcv_msg+0x25a/0x410\n ? __pfx_xfrm_user_rcv_msg+0x10/0x10\n ? __alloc_skb+0xcf/0x210\n ? stack_trace_save+0x90/0xd0\n ? filter_irq_stacks+0x1c/0x70\n ? __stack_depot_save+0x39/0x4e0\n ? __kasan_slab_free+0x10a/0x190\n ? kmem_cache_free+0x9c/0x340\n ? netlink_recvmsg+0x23c/0x660\n ? sock_recvmsg+0xeb/0xf0\n ? __sys_recvfrom+0x13c/0x1f0\n ? __x64_sys_recvfrom+0x71/0x90\n ? do_syscall_64+0x3f/0x90\n ? entry_SYSCALL_64_after_hwframe+0x72/0xdc\n ? copyout+0x3e/0x50\n netlink_rcv_skb+0xd6/0x210\n ? __pfx_xfrm_user_rcv_msg+0x10/0x10\n ? __pfx_netlink_rcv_skb+0x10/0x10\n ? __pfx_sock_has_perm+0x10/0x10\n ? mutex_lock+0x8d/0xe0\n ? __pfx_mutex_lock+0x10/0x10\n xfrm_netlink_rcv+0x44/0x50\n netlink_unicast+0x36f/0x4c0\n ? __pfx_netlink_unicast+0x10/0x10\n ? netlink_recvmsg+0x500/0x660\n netlink_sendmsg+0x3b7/0x700\n\nThis Null-ptr-deref bug is assigned CVE-2023-3772. And this commit\nadds additional NULL check in xfrm_update_ae_params to fix the NPD."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/xfrm/xfrm_user.c"
],
"versions": [
{
"version": "d8647b79c3b7e223ac051439d165bc8e7bbb832f",
"lessThan": "ed1cba039309c80b49719fcff3e3d7cdddb73d96",
"status": "affected",
"versionType": "git"
},
{
"version": "d8647b79c3b7e223ac051439d165bc8e7bbb832f",
"lessThan": "44f69c96f8a147413c23c68cda4d6fb5e23137cd",
"status": "affected",
"versionType": "git"
},
{
"version": "d8647b79c3b7e223ac051439d165bc8e7bbb832f",
"lessThan": "8046beb890ebc83c5820188c650073e1c6066e67",
"status": "affected",
"versionType": "git"
},
{
"version": "d8647b79c3b7e223ac051439d165bc8e7bbb832f",
"lessThan": "bd30aa9c7febb6e709670cd5154194189ca3b7b5",
"status": "affected",
"versionType": "git"
},
{
"version": "d8647b79c3b7e223ac051439d165bc8e7bbb832f",
"lessThan": "075448a2eb753f813fe873cfa52853e9fef8eedb",
"status": "affected",
"versionType": "git"
},
{
"version": "d8647b79c3b7e223ac051439d165bc8e7bbb832f",
"lessThan": "87b655f4936b6fc01f3658aa88a22c923b379ebd",
"status": "affected",
"versionType": "git"
},
{
"version": "d8647b79c3b7e223ac051439d165bc8e7bbb832f",
"lessThan": "53df4be4f5221e90dc7aa9ce745a9a21bb7024f4",
"status": "affected",
"versionType": "git"
},
{
"version": "d8647b79c3b7e223ac051439d165bc8e7bbb832f",
"lessThan": "00374d9b6d9f932802b55181be9831aa948e5b7c",
"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/xfrm/xfrm_user.c"
],
"versions": [
{
"version": "2.6.39",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.39",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.324",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.293",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.255",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.192",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.128",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.47",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.4.12",
"lessThanOrEqual": "6.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.5",
"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": "2.6.39",
"versionEndExcluding": "4.14.324"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.39",
"versionEndExcluding": "4.19.293"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.39",
"versionEndExcluding": "5.4.255"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.39",
"versionEndExcluding": "5.10.192"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.39",
"versionEndExcluding": "5.15.128"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.39",
"versionEndExcluding": "6.1.47"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.39",
"versionEndExcluding": "6.4.12"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.39",
"versionEndExcluding": "6.5"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/ed1cba039309c80b49719fcff3e3d7cdddb73d96"
},
{
"url": "https://git.kernel.org/stable/c/44f69c96f8a147413c23c68cda4d6fb5e23137cd"
},
{
"url": "https://git.kernel.org/stable/c/8046beb890ebc83c5820188c650073e1c6066e67"
},
{
"url": "https://git.kernel.org/stable/c/bd30aa9c7febb6e709670cd5154194189ca3b7b5"
},
{
"url": "https://git.kernel.org/stable/c/075448a2eb753f813fe873cfa52853e9fef8eedb"
},
{
"url": "https://git.kernel.org/stable/c/87b655f4936b6fc01f3658aa88a22c923b379ebd"
},
{
"url": "https://git.kernel.org/stable/c/53df4be4f5221e90dc7aa9ce745a9a21bb7024f4"
},
{
"url": "https://git.kernel.org/stable/c/00374d9b6d9f932802b55181be9831aa948e5b7c"
}
],
"title": "xfrm: add NULL check in xfrm_update_ae_params",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2023-53147",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T20:19:07.654054Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T20:21:05.027Z"
}
}
]
}
}
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