CVE-2024-35902net/rds: fix possible cp null dereference
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: net/rds: fix possible cp null dereference cp might be null, calling cp->cp_conn would produce null dereference [Simon Horman adds:] Analysis: * cp is a parameter of __rds_rdma_map and is not reassigned. * The following call-sites pass a NULL cp argument to __rds_rdma_map() - rds_get_mr() - rds_get_mr_for_dest * Prior to the code above, the following assumes that cp may be NULL (which is indicative, but could itself be unnecessary) trans_private = rs->rs_transport->get_mr( sg, nents, rs, &mr->r_key, cp ? cp->cp_conn : NULL, args->vec.addr, args->vec.bytes, need_odp ? ODP_ZEROBASED : ODP_NOT_NEEDED); * The code modified by this patch is guarded by IS_ERR(trans_private), where trans_private is assigned as per the previous point in this analysis. The only implementation of get_mr that I could locate is rds_ib_get_mr() which can return an ERR_PTR if the conn (4th) argument is NULL. * ret is set to PTR_ERR(trans_private). rds_ib_get_mr can return ERR_PTR(-ENODEV) if the conn (4th) argument is NULL. Thus ret may be -ENODEV in which case the code in question will execute. Conclusion: * cp may be NULL at the point where this patch adds a check; this patch does seem to address a possible bug
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from 786854141057751bc08eb26f1b02e97c1631c8f4 before d275de8ea7be3a453629fddae41d4156762e814c; from 997efea2bf3a4adb96c306b9ad6a91442237bf5b before bcd46782e2ec3825d10c1552fcb674d491cc09f9; from 9dfc15a10dfd44f8ff7f27488651cb5be6af83c2 before cfb786b03b03c5ff38882bee38525eb9987e4d14; from b562ebe21ed9adcf42242797dd6cb75beef12bf0 before d49fac38479bfdaec52b3ea274d290c47a294029; from 998fd719e6d6468b930ac0c44552ea9ff8b07b80 before cbaac2e5488ed54833897264a5ffb2a341a9f196; from 2b505d05280739ce31d5708da840f42df827cb85 before 92309bed3c5fbe2ccd4c45056efd42edbd06162d; from c055fc00c07be1f0df7375ab0036cebd1106ed38 before 6794090c742008c53b344b35b021d4a3093dc50a; from c055fc00c07be1f0df7375ab0036cebd1106ed38 before 62fc3357e079a07a22465b9b6ef71bb6ea75ee4b; and 8 more ranges | CNA record |
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name) | before V1.1.1 | CISA ADP |
linux linux_kernel linux:linux_kernel | from 4.19.310 before 4.19.312; from 5.4.272 before 5.7.274; from 5.10.213 before 5.10.215; from 5.15.152 before 5.15.154; from 6.1.82 before 6.1.85; from 6.6.22 before 6.6.26; from 6.7.10 before 6.8.5; 6.9; and 1 more ranges | NVD |
debian debian_linux debian:debian_linux | 10.0 | NVD |
References
- https://git.kernel.org/stable/c/d275de8ea7be3a453629fddae41d4156762e814cpatch
- https://git.kernel.org/stable/c/bcd46782e2ec3825d10c1552fcb674d491cc09f9patch
- https://git.kernel.org/stable/c/cfb786b03b03c5ff38882bee38525eb9987e4d14patch
- https://git.kernel.org/stable/c/d49fac38479bfdaec52b3ea274d290c47a294029patch
- https://git.kernel.org/stable/c/cbaac2e5488ed54833897264a5ffb2a341a9f196patch
- https://git.kernel.org/stable/c/92309bed3c5fbe2ccd4c45056efd42edbd06162dpatch
- https://git.kernel.org/stable/c/6794090c742008c53b344b35b021d4a3093dc50apatch
- https://git.kernel.org/stable/c/62fc3357e079a07a22465b9b6ef71bb6ea75ee4bpatch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlmailing-list
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlmailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.