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Merge pull request 'fixes CVE-2024-1086' (#4) from jonathan/kernel:CVE-2024-1086-al8 into a8 

Reviewed-on: #4
Reviewed-by: eabdullin <eabdullin@noreply.git.almalinux.org>
This commit is contained in:
Andrew Lukoshko 2024-03-30 09:13:35 +00:00
parent e790b2321e 93691ed0e3
commit c999456e26
2 changed files with 43 additions and 2 deletions
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34
SOURCES/CVE-2024-1086.patch Normal file
View File

@ -0,0 +1,34 @@
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index c52a1dd1b..3ff44747e 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -8583,16 +8583,10 @@ static int nft_verdict_init(const struct nft_ctx *ctx, struct nft_data *data,
data->verdict.code = ntohl(nla_get_be32(tb[NFTA_VERDICT_CODE]));
switch (data->verdict.code) {
- default:
- switch (data->verdict.code & NF_VERDICT_MASK) {
- case NF_ACCEPT:
- case NF_DROP:
- case NF_QUEUE:
- break;
- default:
- return -EINVAL;
- }
- /* fall through */
+ case NF_ACCEPT:
+ case NF_DROP:
+ case NF_QUEUE:
+ break;
case NFT_CONTINUE:
case NFT_BREAK:
case NFT_RETURN:
@@ -8611,6 +8605,8 @@ static int nft_verdict_init(const struct nft_ctx *ctx, struct nft_data *data,
chain->use++;
data->verdict.chain = chain;
break;
+ default:
+ return -EINVAL;
}
desc->len = sizeof(data->verdict);

11
SPECS/kernel.spec
View File

@ -38,10 +38,11 @@
# define buildid .local
%define specversion 4.18.0
%define pkgrelease 513.18.1.el8_9
%define pkgrelease 513.18.2.el8_9
# allow pkg_release to have configurable %%{?dist} tag
%define specrelease 513.18.1%{?dist}
# alma patched to 513.18.2 but still using 513.18.1 sources plus patch file
%define specrelease 513.18.2%{?dist}
%define pkg_release %{specrelease}%{?buildid}
@ -526,6 +527,7 @@ Patch999999: linux-kernel-test.patch
Patch1000: debrand-single-cpu.patch
Patch1002: debrand-rh-i686-cpu.patch
Patch1003: CVE-2024-1086.patch
Patch1100: 1100-KVM-x86-mmu-Fix-an-sign-extension-bug-with-mmu_seq-t.patch
@ -1092,6 +1094,8 @@ mv linux-%{specversion}-%{pkgrelease} linux-%{KVERREL}
cd linux-%{KVERREL}
ApplyPatch CVE-2024-1086.patch
ApplyOptionalPatch debrand-single-cpu.patch
ApplyOptionalPatch debrand-rh-i686-cpu.patch
# Already applied in the source tarball
@ -2692,6 +2696,9 @@ fi
#
#
%changelog
* Fri Mar 29 2024 Jonathan Wright <jonathan@almalinux.org> [4.18.0-513.18.2.el8_9]
- netfilter: nf_tables: reject QUEUE/DROP verdict parameters {CVE-2024-1086}
* Thu Feb 01 2024 Patrick Talbert <ptalbert@redhat.com> [4.18.0-513.18.1.el8_9]
- net: tls, update curr on splice as well (Sabrina Dubroca) [RHEL-22091 RHEL-19065] {CVE-2024-0646}
- smb: client: fix potential OOB in smb2_dump_detail() (Scott Mayhew) [RHEL-21672 RHEL-19144] {CVE-2023-6610}