CVE-2024-26597

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2024-02-23. NVD baseline CVSS 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

net: qualcomm: rmnet: fix global oob in rmnet_policy

The variable rmnet_link_ops assign a *bigger* maxtype which leads to a global out-of-bounds read when parsing the netlink attributes. See bug trace below:

================================================================== BUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:386 [inline] BUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x24af/0x2750 lib/nlattr.c:600 Read of size 1 at addr ffffffff92c438d0 by task syz-executor.6/84207

CPU: 0 PID: 84207 Comm: syz-executor.6 Tainted: G N 6.1.0 #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x172/0x475 mm/kasan/report.c:395 kasan_report+0xbb/0x1c0 mm/kasan/report.c:495 validate_nla lib/nlattr.c:386 [inline] __nla_validate_parse+0x24af/0x2750 lib/nlattr.c:600 __nla_parse+0x3e/0x50 lib/nlattr.c:697 nla_parse_nested_deprecated include/net/netlink.h:1248 [inline] __rtnl_newlink+0x50a/0x1880 net/core/rtnetlink.c:3485 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3594 rtnetlink_rcv_msg+0x43c/0xd70 net/core/rtnetlink.c:6091 netlink_rcv_skb+0x14f/0x410 net/netlink/af_netlink.c:2540 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x54e/0x800 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x930/0xe50 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0x154/0x190 net/socket.c:734 ____sys_sendmsg+0x6df/0x840 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdcf2072359 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdcf13e3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdcf219ff80 RCX: 00007fdcf2072359 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 00007fdcf20bd493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffbb8d7bdf R14: 00007fdcf13e3300 R15: 0000000000022000

The buggy address belongs to the variable: rmnet_policy+0x30/0xe0

The buggy address belongs to the physical page: page:0000000065bdeb3c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x155243 flags: 0x200000000001000(reserved|node=0|zone=2) raw: 0200000000001000 ffffea00055490c8 ffffea00055490c8 0000000000000000 raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected

Memory state around the buggy address: ffffffff92c43780: f9 f9 f9 f9 00 00 00 02 f9 f9 f9 f9 00 00 00 07 ffffffff92c43800: f9 f9 f9 f9 00 00 00 05 f9 f9 f9 f9 06 f9 f9 f9 >ffffffff92c43880: f9 f9 f9 f9 00 00 00 00 00 00 f9 f9 f9 f9 f9 f9 ^ ffffffff92c43900: 00 00 00 00 00 00 00 00 07 f9 f9 f9 f9 f9 f9 f9 ffffffff92c43980: 00 00 00 07 f9 f9 f9 f9 00 00 00 05 f9 f9 f9 f9

According to the comment of nla_parse_nested_deprecated, the maxtype should be len(destination array) - 1. Hence use IFLA_RMNET_MAX here.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

February 23, 2024

Last Modified

August 5, 2026

Advisory Details (8)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

net: qualcomm: rmnet: fix global oob in rmnet_policy - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/b33fb5b801c6db408b774a68e7c8722796b59ecc
generic

net: qualcomm: rmnet: fix global oob in rmnet_policy - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/17d06a5c44d8fd2e8e61bac295b09153496f87e1
generic

net: qualcomm: rmnet: fix global oob in rmnet_policy - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c4734535034672f59f2652e1e0058c490da62a5c
generic

net: qualcomm: rmnet: fix global oob in rmnet_policy - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ee1dc3bf86f2df777038506b139371a9add02534
generic

net: qualcomm: rmnet: fix global oob in rmnet_policy - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3b5254862258b595662a0ccca6e9eeb88d6e7468
generic

net: qualcomm: rmnet: fix global oob in rmnet_policy - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2295c22348faf795e1ccdf618f6eb7afdb2f7447
generic

net: qualcomm: rmnet: fix global oob in rmnet_policy - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/02467ab8b404d80429107588e0f3425cf5fcd2e5
generic

net: qualcomm: rmnet: fix global oob in rmnet_policy - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/093dab655808207f7a9f54cf156240aeafc70590

Patch Availability(13)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-oem-22.04c (6.1.0.1035.36) @ jammy2026-05-24ubuntu
ubuntulinux-tools-aws (6.5.0.1016.16) @ mantic2026-05-24ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.5.0.26.26) @ mantic2026-05-24ubuntu
ubuntulinux-tools-laptop-23.10 (6.5.0.1012.15) @ mantic2026-05-24ubuntu
ubuntulinux-virtual-hwe-20.04-edge (5.15.0.102.99) @ jammy2026-05-24ubuntu
ubuntulinux-tools-azure-edge (6.5.0.1017.17~22.04.1) @ jammy2026-05-24ubuntu
ubuntuibm (6.8.0-1005) @ noble2026-05-24ubuntu
ubuntuibm-5.15 (5.15.0-1000) @ focal2026-05-24ubuntu
ubuntulinux-virtual-hwe-18.04-edge (5.4.0.176.174) @ focal2026-05-24ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.4.0-1041 (5.4.0-1041.45) @ focal2026-05-24ubuntu
ubuntulinux-tools-aws-edge (5.15.0.1057.63~20.04.1) @ focal2026-05-24ubuntu
ubuntulinux-tools-iot (5.4.0.1034.32) @ focal2026-05-24ubuntu
linuxKernel @ 4.19.306—osv

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(12)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 127 total refreshes for this CVE.

  1. 2026-08-06 13:45 UTCEPSS rescore
  2. 2026-08-05 19:15 UTCEPSS rescore
  3. 2026-08-05 12:25 UTCEG score recompute
  4. 2026-08-05 12:25 UTCVendor advisory
  5. 2026-08-05 12:25 UTCGHSA enrichment
  6. 2026-08-04 15:08 UTCEPSS rescore
  7. 2026-08-04 12:23 UTCEG score recompute
  8. 2026-08-04 12:23 UTCGHSA enrichment
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  23. 2026-07-23 02:34 UTCEG score recompute
  24. 2026-07-22 14:07 UTCEPSS rescore
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  1. 2026-07-21 15:23 UTCEPSS rescore
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  40. 2026-06-25 13:48 UTCEPSS rescore
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  71. 2026-06-08 14:16 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2024-26597?
CVE-2024-26597 is a high vulnerability published on February 23, 2024. In the Linux kernel, the following vulnerability has been resolved: net: qualcomm: rmnet: fix global oob in rmnet_policy The variable rmnetlinkops assign a bigger maxtype which leads to a global out-of-bounds read when parsing the netlink attributes. See bug trace below:…
When was CVE-2024-26597 disclosed?
CVE-2024-26597 was first published in the National Vulnerability Database on February 23, 2024, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-26597 actively exploited?
CVE-2024-26597 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 82.7% of all scored CVEs.
What is the CVSS score of CVE-2024-26597?
CVE-2024-26597 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2024-26597?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-26597, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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