CVE-2024-35898
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller nft_flowtable_type_get() to protect the entire type query process.
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.20% probability · 10th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- linux/linux kernel · debian/debian linux
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/24225011d81b471acc0e1e315b7d9905459a6304Patch
- https://git.kernel.org/stable/c/2485bcfe05ee3cf9ca8923a94fa2e456924c79c8Patch
- https://git.kernel.org/stable/c/69d1fe14a680042ec913f22196b58e2c8ff1b007Patch
- https://git.kernel.org/stable/c/8b891153b2e4dc0ca9d9dab8f619d49c740813dfPatch
- https://git.kernel.org/stable/c/940d41caa71f0d3a52df2fde5fada524a993e331Patch
- https://git.kernel.org/stable/c/9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083bPatch
- https://git.kernel.org/stable/c/a347bc8e6251eaee4b619da28020641eb5b0dd77Patch
- https://git.kernel.org/stable/c/e684b1674fd1ca4361812a491242ae871d6b2859Patch
- https://git.kernel.org/stable/c/24225011d81b471acc0e1e315b7d9905459a6304Patch
- https://git.kernel.org/stable/c/2485bcfe05ee3cf9ca8923a94fa2e456924c79c8Patch
- https://git.kernel.org/stable/c/69d1fe14a680042ec913f22196b58e2c8ff1b007Patch
- https://git.kernel.org/stable/c/8b891153b2e4dc0ca9d9dab8f619d49c740813dfPatch
- https://git.kernel.org/stable/c/940d41caa71f0d3a52df2fde5fada524a993e331Patch
- https://git.kernel.org/stable/c/9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083bPatch
- https://git.kernel.org/stable/c/a347bc8e6251eaee4b619da28020641eb5b0dd77Patch
- https://git.kernel.org/stable/c/e684b1674fd1ca4361812a491242ae871d6b2859Patch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlMailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.