CVE-2021-22555
7.8 Élevée Exploitée activementCatalogue CISA KEV — Linux Kernel Heap Out-of-Bounds Write Vulnerability
Ajoutée le 06/10/2025 · Échéance de correction (agences US) : 27/10/2025
Action requise : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description
A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space
Produits concernés
- Linux Kernel
- Netapp c400 firmware
- Netapp c250 firmware
- Netapp h410c firmware
- Netapp h300s firmware
- Netapp h500s firmware
- Netapp h700s firmware
- Netapp h410s firmware
- Linux linux kernel
- Broadcom fabric operating system
- Netapp fas 8300 firmware
- Netapp fas 8700 firmware
- Netapp aff a400 firmware
- Netapp aff a250 firmware
- Netapp aff 500f firmware
- Netapp h610c firmware
- Netapp h610s firmware
- Netapp h615c firmware
- Netapp cloud backup
- Netapp hci management node
- Netapp solidfire
- Netapp solidfire baseboard management controller
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 8.3 Élevée | cve-coordination@google.com | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | 7.8 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | 4.6 Moyenne | nvd@nist.gov (NVD) | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Faiblesses (CWE)
Références
- http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html Third Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html ExploitThird Party AdvisoryVDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21 Mailing ListPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d Mailing ListPatchVendor Advisory
- https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 ExploitThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210805-0010/ Third Party Advisory
- http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html Third Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html ExploitThird Party AdvisoryVDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21 Mailing ListPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d Mailing ListPatchVendor Advisory
- https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 ExploitThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210805-0010/ Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22555 US Government Resource