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ALSA-2025:22387
Vulnerability from osv_almalinux – Published: 2025-12-01 00:00 – Updated: 2025-12-03 12:01 – Source websiteThe kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
- kernel: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() (CVE-2025-38724)
- kernel: smb: client: fix race with concurrent opens in rename(2) (CVE-2025-39825)
- kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory (CVE-2025-39883)
- kernel: e1000e: fix heap overflow in e1000_set_eeprom (CVE-2025-39898)
- kernel: nbd: fix incomplete validation of ioctl arg (CVE-2023-53513)
- kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect() (CVE-2025-39955)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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"details": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. \n\nSecurity Fix(es): \n\n * kernel: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() (CVE-2025-38724)\n * kernel: smb: client: fix race with concurrent opens in rename(2) (CVE-2025-39825)\n * kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory (CVE-2025-39883)\n * kernel: e1000e: fix heap overflow in e1000_set_eeprom (CVE-2025-39898)\n * kernel: nbd: fix incomplete validation of ioctl arg (CVE-2023-53513)\n * kernel: tcp: Clear tcp_sk(sk)-\u003efastopen_rsk in tcp_disconnect() (CVE-2025-39955)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
"id": "ALSA-2025:22387",
"modified": "2025-12-03T12:01:56Z",
"published": "2025-12-01T00:00:00Z",
"references": [
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"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2025:22387"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2023-53513"
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"url": "https://access.redhat.com/security/cve/CVE-2025-38724"
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},
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"CVE-2025-39883",
"CVE-2025-39898",
"CVE-2023-53513",
"CVE-2025-39955"
],
"summary": "Moderate: kernel-rt security update"
}
CVE-2023-53513 (GCVE-0-2023-53513)
Vulnerability from cvelistv5 – Published: 2025-10-01 11:46 – Updated: 2026-06-11 18:44| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
b9c495bb6d8edc719fd23af2ac67de8303cfc1e8 , < 52851d0c3354b397c11d31dfeb8b2a2fc85a0002
(git)
Affected: b9c495bb6d8edc719fd23af2ac67de8303cfc1e8 , < fab766c8a1aff715bce7075aab40e780266f8e1a (git) Affected: b9c495bb6d8edc719fd23af2ac67de8303cfc1e8 , < ffb75ffaa68723276365d0f9d00b03362b750657 (git) Affected: b9c495bb6d8edc719fd23af2ac67de8303cfc1e8 , < 55793ea54d77719a071b1ccc05a05056e3b5e009 (git) |
|
| Linux | Linux |
Affected:
4.1
Unaffected: 0 , < 4.1 (semver) Unaffected: 5.15.113 , ≤ 5.15.* (semver) Unaffected: 6.1.30 , ≤ 6.1.* (semver) Unaffected: 6.3.4 , ≤ 6.3.* (semver) Unaffected: 6.4 , ≤ * (original_commit_for_fix) |
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CVE-2025-38724 (GCVE-0-2025-38724)
Vulnerability from cvelistv5 – Published: 2025-09-04 15:33 – Updated: 2026-10-15 01:07| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/3f252a73e81aa0166… | |
| https://git.kernel.org/stable/c/d35ac850410966010… | |
| https://git.kernel.org/stable/c/f3aac6cf390d8b80e… | |
| https://git.kernel.org/stable/c/22f45cedf281e6171… | |
| https://git.kernel.org/stable/c/d71abd1ae4e041370… | |
| https://git.kernel.org/stable/c/74ad36ed60df561a3… | |
| https://git.kernel.org/stable/c/36e83eda90e0e4ac5… | |
| https://git.kernel.org/stable/c/571a5e46c71490285… | |
| https://git.kernel.org/stable/c/908e4ead7f757504d… | |
| https://lists.debian.org/debian-lts-announce/2025… | |
| https://lists.debian.org/debian-lts-announce/2025… | |
| https://cert-portal.siemens.com/productcert/html/… | |
| https://cert-portal.siemens.com/productcert/html/… |
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
d20c11d86d8f821a64eac7d6c8f296f06d935f4f , < 3f252a73e81aa01660cb426735eab932e6182e8d
(git)
Affected: d20c11d86d8f821a64eac7d6c8f296f06d935f4f , < d35ac850410966010e92f401f4e21868a9ea4d8b (git) Affected: d20c11d86d8f821a64eac7d6c8f296f06d935f4f , < f3aac6cf390d8b80e1d82975faf4ac61175519c0 (git) Affected: d20c11d86d8f821a64eac7d6c8f296f06d935f4f , < 22f45cedf281e6171817c8a3432c44d788c550e1 (git) Affected: d20c11d86d8f821a64eac7d6c8f296f06d935f4f , < d71abd1ae4e0413707cd42b10c24a11d1aa71772 (git) Affected: d20c11d86d8f821a64eac7d6c8f296f06d935f4f , < 74ad36ed60df561a303a19ecef400c7096b20306 (git) Affected: d20c11d86d8f821a64eac7d6c8f296f06d935f4f , < 36e83eda90e0e4ac52f259f775b40b2841f8a0a3 (git) Affected: d20c11d86d8f821a64eac7d6c8f296f06d935f4f , < 571a5e46c71490285d2d8c06f6b5a7cbf6c7edd1 (git) Affected: d20c11d86d8f821a64eac7d6c8f296f06d935f4f , < 908e4ead7f757504d8b345452730636e298cbf68 (git) |
|
| Linux | Linux |
Affected:
3.17
Unaffected: 0 , < 3.17 (semver) Unaffected: 5.4.297 , ≤ 5.4.* (semver) Unaffected: 5.10.241 , ≤ 5.10.* (semver) Unaffected: 5.15.190 , ≤ 5.15.* (semver) Unaffected: 6.1.149 , ≤ 6.1.* (semver) Unaffected: 6.6.103 , ≤ 6.6.* (semver) Unaffected: 6.12.43 , ≤ 6.12.* (semver) Unaffected: 6.15.11 , ≤ 6.15.* (semver) Unaffected: 6.16.2 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
|
| Siemens | SIMATIC CN 4100 |
Affected:
0 , < V5.0
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
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CVE-2025-39825 (GCVE-0-2025-39825)
Vulnerability from cvelistv5 – Published: 2025-09-16 13:00 – Updated: 2026-08-05 12:05| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/c9e7de284da0be5b4… | |
| https://git.kernel.org/stable/c/24b9ed739c8c5b464… | |
| https://git.kernel.org/stable/c/c9991af5e09924f6f… | |
| https://git.kernel.org/stable/c/289f945acb20b9b54… | |
| https://git.kernel.org/stable/c/d84291fc7453df788… | |
| https://lists.debian.org/debian-lts-announce/2025… | |
| https://cert-portal.siemens.com/productcert/html/… |
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
78c09634f7dc061a3bd09704cdbebb3762a45cdf , < c9e7de284da0be5b44dbe79d71573f9f7f9b144c
(git)
Affected: 78c09634f7dc061a3bd09704cdbebb3762a45cdf , < 24b9ed739c8c5b464d983e12cf308982f3ae93c2 (git) Affected: 78c09634f7dc061a3bd09704cdbebb3762a45cdf , < c9991af5e09924f6f3b3e6996a5e09f9504b4358 (git) Affected: 78c09634f7dc061a3bd09704cdbebb3762a45cdf , < 289f945acb20b9b54fe4d13895e44aa58965ddb2 (git) Affected: 78c09634f7dc061a3bd09704cdbebb3762a45cdf , < d84291fc7453df7881a970716f8256273aca5747 (git) |
|
| Linux | Linux |
Affected:
5.13
Unaffected: 0 , < 5.13 (semver) Unaffected: 6.1.150 , ≤ 6.1.* (semver) Unaffected: 6.6.104 , ≤ 6.6.* (semver) Unaffected: 6.12.45 , ≤ 6.12.* (semver) Unaffected: 6.16.5 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
|
| Siemens | SIMATIC CN 4100 |
Affected:
0 , < V5.0
(custom)
|
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"title": "smb: client: fix race with concurrent opens in rename(2)",
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CVE-2025-39883 (GCVE-0-2025-39883)
Vulnerability from cvelistv5 – Published: 2025-09-23 06:00 – Updated: 2026-06-11 18:44| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/8e01ea186a52c9069… | |
| https://git.kernel.org/stable/c/fb65803ccff37cf91… | |
| https://git.kernel.org/stable/c/99f7048957f5ae3ce… | |
| https://git.kernel.org/stable/c/e4ec6def5643a1c95… | |
| https://git.kernel.org/stable/c/3d278e89c2ea62b1a… | |
| https://git.kernel.org/stable/c/7618fd443aa4cfa55… | |
| https://git.kernel.org/stable/c/63a327a2375a8ce7a… | |
| https://git.kernel.org/stable/c/d613f53c83ec47089… | |
| https://lists.debian.org/debian-lts-announce/2025… |
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe , < 8e01ea186a52c90694c08a9ff57bea1b0e78256a
(git)
Affected: f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe , < fb65803ccff37cf9123c50c1c02efd1ed73c4ed5 (git) Affected: f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe , < 99f7048957f5ae3cee1c01189147e73a9a96de02 (git) Affected: f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe , < e4ec6def5643a1c9511115b3884eb879572294c6 (git) Affected: f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe , < 3d278e89c2ea62b1aaa4b0d8a9766a35b3a3164a (git) Affected: f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe , < 7618fd443aa4cfa553a64cacf5721581653ee7b0 (git) Affected: f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe , < 63a327a2375a8ce7a47dec5aaa4d8a9ae0a00b96 (git) Affected: f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe , < d613f53c83ec47089c4e25859d5e8e0359f6f8da (git) |
|
| Linux | Linux |
Affected:
4.13
Unaffected: 0 , < 4.13 (semver) Unaffected: 5.4.300 , ≤ 5.4.* (semver) Unaffected: 5.10.245 , ≤ 5.10.* (semver) Unaffected: 5.15.194 , ≤ 5.15.* (semver) Unaffected: 6.1.153 , ≤ 6.1.* (semver) Unaffected: 6.6.107 , ≤ 6.6.* (semver) Unaffected: 6.12.48 , ≤ 6.12.* (semver) Unaffected: 6.16.8 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory\n\nWhen I did memory failure tests, below panic occurs:\n\npage dumped because: VM_BUG_ON_PAGE(PagePoisoned(page))\nkernel BUG at include/linux/page-flags.h:616!\nOops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 3 PID: 720 Comm: bash Not tainted 6.10.0-rc1-00195-g148743902568 #40\nRIP: 0010:unpoison_memory+0x2f3/0x590\nRSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246\nRAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8\nRDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0\nRBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb\nR10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000\nR13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe\nFS: 00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0\nCall Trace:\n \u003cTASK\u003e\n unpoison_memory+0x2f3/0x590\n simple_attr_write_xsigned.constprop.0.isra.0+0xb3/0x110\n debugfs_attr_write+0x42/0x60\n full_proxy_write+0x5b/0x80\n vfs_write+0xd5/0x540\n ksys_write+0x64/0xe0\n do_syscall_64+0xb9/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f08f0314887\nRSP: 002b:00007ffece710078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f08f0314887\nRDX: 0000000000000009 RSI: 0000564787a30410 RDI: 0000000000000001\nRBP: 0000564787a30410 R08: 000000000000fefe R09: 000000007fffffff\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009\nR13: 00007f08f041b780 R14: 00007f08f0417600 R15: 00007f08f0416a00\n \u003c/TASK\u003e\nModules linked in: hwpoison_inject\n---[ end trace 0000000000000000 ]---\nRIP: 0010:unpoison_memory+0x2f3/0x590\nRSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246\nRAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8\nRDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0\nRBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb\nR10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000\nR13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe\nFS: 00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0\nKernel panic - not syncing: Fatal exception\nKernel Offset: 0x31c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)\n---[ end Kernel panic - not syncing: Fatal exception ]---\n\nThe root cause is that unpoison_memory() tries to check the PG_HWPoison\nflags of an uninitialized page. So VM_BUG_ON_PAGE(PagePoisoned(page)) is\ntriggered. This can be reproduced by below steps:\n\n1.Offline memory block:\n\n echo offline \u003e /sys/devices/system/memory/memory12/state\n\n2.Get offlined memory pfn:\n\n page-types -b n -rlN\n\n3.Write pfn to unpoison-pfn\n\n echo \u003cpfn\u003e \u003e /sys/kernel/debug/hwpoison/unpoison-pfn\n\nThis scenario can be identified by pfn_to_online_page() returning NULL. \nAnd ZONE_DEVICE pages are never expected, so we can simply fail if\npfn_to_online_page() == NULL to fix the bug."
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CVE-2025-39898 (GCVE-0-2025-39898)
Vulnerability from cvelistv5 – Published: 2025-10-01 07:42 – Updated: 2025-10-24 11:41This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
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CVE-2025-39955 (GCVE-0-2025-39955)
Vulnerability from cvelistv5 – Published: 2025-10-09 09:47 – Updated: 2026-10-15 01:08| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/7ec092a91ff351dcd… | |
| https://git.kernel.org/stable/c/a4378dedd6e07e62f… | |
| https://git.kernel.org/stable/c/33a4fdf0b4a25f8ce… | |
| https://git.kernel.org/stable/c/17d69972757781419… | |
| https://git.kernel.org/stable/c/dfd06131107e7b699… | |
| https://git.kernel.org/stable/c/fa4749c065644af4d… | |
| https://git.kernel.org/stable/c/ae313d14b45eca7a6… | |
| https://git.kernel.org/stable/c/45c8a6cc2bcd780e6… | |
| https://cert-portal.siemens.com/productcert/html/… | |
| https://cert-portal.siemens.com/productcert/html/… |
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
8336886f786fdacbc19b719c1f7ea91eb70706d4 , < 7ec092a91ff351dcde89c23e795b73a328274db6
(git)
Affected: 8336886f786fdacbc19b719c1f7ea91eb70706d4 , < a4378dedd6e07e62f2fccb17d78c9665718763d0 (git) Affected: 8336886f786fdacbc19b719c1f7ea91eb70706d4 , < 33a4fdf0b4a25f8ce65380c3b0136b407ca57609 (git) Affected: 8336886f786fdacbc19b719c1f7ea91eb70706d4 , < 17d699727577814198d744d6afe54735c6b54c99 (git) Affected: 8336886f786fdacbc19b719c1f7ea91eb70706d4 , < dfd06131107e7b699ef1e2a24ed2f7d17c917753 (git) Affected: 8336886f786fdacbc19b719c1f7ea91eb70706d4 , < fa4749c065644af4db496b338452a69a3e5147d9 (git) Affected: 8336886f786fdacbc19b719c1f7ea91eb70706d4 , < ae313d14b45eca7a6bb29cb9bf396d977e7d28fb (git) Affected: 8336886f786fdacbc19b719c1f7ea91eb70706d4 , < 45c8a6cc2bcd780e634a6ba8e46bffbdf1fc5c01 (git) |
|
| Linux | Linux |
Affected:
3.7
Unaffected: 0 , < 3.7 (semver) Unaffected: 5.4.300 , ≤ 5.4.* (semver) Unaffected: 5.10.245 , ≤ 5.10.* (semver) Unaffected: 5.15.194 , ≤ 5.15.* (semver) Unaffected: 6.1.154 , ≤ 6.1.* (semver) Unaffected: 6.6.108 , ≤ 6.6.* (semver) Unaffected: 6.12.49 , ≤ 6.12.* (semver) Unaffected: 6.16.9 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
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"providerMetadata": {
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"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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},
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},
{
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}
],
"x_adpType": "supplier"
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],
"cna": {
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{
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"product": "Linux",
"programFiles": [
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],
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},
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},
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},
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},
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"version": "6.17",
"versionType": "original_commit_for_fix"
}
]
}
],
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"descriptions": [
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Clear tcp_sk(sk)-\u003efastopen_rsk in tcp_disconnect().\n\nsyzbot reported the splat below where a socket had tcp_sk(sk)-\u003efastopen_rsk\nin the TCP_ESTABLISHED state. [0]\n\nsyzbot reused the server-side TCP Fast Open socket as a new client before\nthe TFO socket completes 3WHS:\n\n 1. accept()\n 2. connect(AF_UNSPEC)\n 3. connect() to another destination\n\nAs of accept(), sk-\u003esk_state is TCP_SYN_RECV, and tcp_disconnect() changes\nit to TCP_CLOSE and makes connect() possible, which restarts timers.\n\nSince tcp_disconnect() forgot to clear tcp_sk(sk)-\u003efastopen_rsk, the\nretransmit timer triggered the warning and the intended packet was not\nretransmitted.\n\nLet\u0027s call reqsk_fastopen_remove() in tcp_disconnect().\n\n[0]:\nWARNING: CPU: 2 PID: 0 at net/ipv4/tcp_timer.c:542 tcp_retransmit_timer (net/ipv4/tcp_timer.c:542 (discriminator 7))\nModules linked in:\nCPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.17.0-rc5-g201825fb4278 #62 PREEMPT(voluntary)\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:tcp_retransmit_timer (net/ipv4/tcp_timer.c:542 (discriminator 7))\nCode: 41 55 41 54 55 53 48 8b af b8 08 00 00 48 89 fb 48 85 ed 0f 84 55 01 00 00 0f b6 47 12 3c 03 74 0c 0f b6 47 12 3c 04 74 04 90 \u003c0f\u003e 0b 90 48 8b 85 c0 00 00 00 48 89 ef 48 8b 40 30 e8 6a 4f 06 3e\nRSP: 0018:ffffc900002f8d40 EFLAGS: 00010293\nRAX: 0000000000000002 RBX: ffff888106911400 RCX: 0000000000000017\nRDX: 0000000002517619 RSI: ffffffff83764080 RDI: ffff888106911400\nRBP: ffff888106d5c000 R08: 0000000000000001 R09: ffffc900002f8de8\nR10: 00000000000000c2 R11: ffffc900002f8ff8 R12: ffff888106911540\nR13: ffff888106911480 R14: ffff888106911840 R15: ffffc900002f8de0\nFS: 0000000000000000(0000) GS:ffff88907b768000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f8044d69d90 CR3: 0000000002c30003 CR4: 0000000000370ef0\nCall Trace:\n \u003cIRQ\u003e\n tcp_write_timer (net/ipv4/tcp_timer.c:738)\n call_timer_fn (kernel/time/timer.c:1747)\n __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372)\n timer_expire_remote (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2135)\n tmigr_handle_remote_up (kernel/time/timer_migration.c:944 kernel/time/timer_migration.c:1035)\n __walk_groups.isra.0 (kernel/time/timer_migration.c:533 (discriminator 1))\n tmigr_handle_remote (kernel/time/timer_migration.c:1096)\n handle_softirqs (./arch/x86/include/asm/jump_label.h:36 ./include/trace/events/irq.h:142 kernel/softirq.c:580)\n irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680 kernel/softirq.c:696)\n sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 (discriminator 35) arch/x86/kernel/apic/apic.c:1050 (discriminator 35))\n \u003c/IRQ\u003e"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T21:39:39.433Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/7ec092a91ff351dcde89c23e795b73a328274db6"
},
{
"url": "https://git.kernel.org/stable/c/a4378dedd6e07e62f2fccb17d78c9665718763d0"
},
{
"url": "https://git.kernel.org/stable/c/33a4fdf0b4a25f8ce65380c3b0136b407ca57609"
},
{
"url": "https://git.kernel.org/stable/c/17d699727577814198d744d6afe54735c6b54c99"
},
{
"url": "https://git.kernel.org/stable/c/dfd06131107e7b699ef1e2a24ed2f7d17c917753"
},
{
"url": "https://git.kernel.org/stable/c/fa4749c065644af4db496b338452a69a3e5147d9"
},
{
"url": "https://git.kernel.org/stable/c/ae313d14b45eca7a6bb29cb9bf396d977e7d28fb"
},
{
"url": "https://git.kernel.org/stable/c/45c8a6cc2bcd780e634a6ba8e46bffbdf1fc5c01"
}
],
"title": "tcp: Clear tcp_sk(sk)-\u003efastopen_rsk in tcp_disconnect().",
"x_generator": {
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}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-39955",
"datePublished": "2025-10-09T09:47:33.556Z",
"dateReserved": "2025-04-16T07:20:57.149Z",
"dateUpdated": "2026-10-15T01:08:40.572Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.