CVE-2022-49094

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2025-09-23. NVD baseline CVSS 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 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: 1%CVSS: 7.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

net/tls: fix slab-out-of-bounds bug in decrypt_internal

The memory size of tls_ctx->rx.iv for AES128-CCM is 12 setting in tls_set_sw_offload(). The return value of crypto_aead_ivsize() for "ccm(aes)" is 16. So memcpy() require 16 bytes from 12 bytes memory space will trigger slab-out-of-bounds bug as following:

================================================================== BUG: KASAN: slab-out-of-bounds in decrypt_internal+0x385/0xc40 [tls] Read of size 16 at addr ffff888114e84e60 by task tls/10911

Call Trace: dump_stack_lvl+0x34/0x44 print_report.cold+0x5e/0x5db ? decrypt_internal+0x385/0xc40 [tls] kasan_report+0xab/0x120 ? decrypt_internal+0x385/0xc40 [tls] kasan_check_range+0xf9/0x1e0 memcpy+0x20/0x60 decrypt_internal+0x385/0xc40 [tls] ? tls_get_rec+0x2e0/0x2e0 [tls] ? process_rx_list+0x1a5/0x420 [tls] ? tls_setup_from_iter.constprop.0+0x2e0/0x2e0 [tls] decrypt_skb_update+0x9d/0x400 [tls] tls_sw_recvmsg+0x3c8/0xb50 [tls]

Allocated by task 10911: kasan_save_stack+0x1e/0x40 __kasan_kmalloc+0x81/0xa0 tls_set_sw_offload+0x2eb/0xa20 [tls] tls_setsockopt+0x68c/0x700 [tls] __sys_setsockopt+0xfe/0x1b0

Replace the crypto_aead_ivsize() with prot->iv_size + prot->salt_size when memcpy() iv value in TLS_1_3_VERSION scenario.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
48%
KEV
Not listed

Published

February 26, 2025

Last Modified

August 5, 2026

Advisory Details (6)

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

net/tls: fix slab-out-of-bounds bug in decrypt_internal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9381fe8c849cfbe50245ac01fc077554f6eaa0e2
generic

net/tls: fix slab-out-of-bounds bug in decrypt_internal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2304660ab6c425df64d95301b601424c6a50f28b
generic

net/tls: fix slab-out-of-bounds bug in decrypt_internal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/29be1816cbab9a0dc6243120939fd10a92753756
generic

net/tls: fix slab-out-of-bounds bug in decrypt_internal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6e2f1b033b17dedda51d465861b69e58317d6343
generic

net/tls: fix slab-out-of-bounds bug in decrypt_internal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/589154d0f18945f41d138a5b4e49e518d294474b
generic

net/tls: fix slab-out-of-bounds bug in decrypt_internal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2b7d14c105dd8f6412eda5a91e1e6154653731e3

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
linuxKernel @ 5.4.189—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.

Data Freshness Timeline

(refreshed 13× in last 7d / 51× 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 115 total refreshes for this CVE.

  1. 2026-08-07 16:24 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2022-49094?
CVE-2022-49094 is a high vulnerability published on February 26, 2025. In the Linux kernel, the following vulnerability has been resolved: net/tls: fix slab-out-of-bounds bug in decrypt_internal The memory size of tls_ctx->rx.iv for AES128-CCM is 12 setting in tlssetswoffload(). The return value of cryptoaead_ivsize() for "ccm(aes)" is 16. So memcpy() require 16 bytes…
When was CVE-2022-49094 disclosed?
CVE-2022-49094 was first published in the National Vulnerability Database on February 26, 2025, 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-2022-49094 actively exploited?
CVE-2022-49094 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.5% of all scored CVEs.
What is the CVSS score of CVE-2022-49094?
CVE-2022-49094 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2022-49094?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-49094, 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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