A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 8.2 · linuxNVD modified 2026-10-14 13:17
Affected (CPE criteria) 7
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.18:-:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.18:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.18:rc4:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.18:rc5:*:*:*:*:*:*
References 8
- https://bugzilla.redhat.com/show_bug.cgi?id=2064604 Issue Tracking, Third Party Advisory
- https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/
- https://security.netapp.com/advisory/ntap-20221020-0006/ Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2064604 Issue Tracking, Third Party Advisory
- https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/
- https://security.netapp.com/advisory/ntap-20221020-0006/ Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-561322.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html