August 2024 - Kernel - mailweb.openeuler.org

[PATCH OLK-6.6] ppp: reject claimed-as-LCP but actually malformed packets
by Liu Jian 03 Aug '24

03 Aug '24

From: Dmitry Antipov <dmantipov(a)yandex.ru> stable inclusion from stable-v6.6.41 commit 099502ca410922b56353ccef2749bc0de669da78 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAGEN2 CVE: CVE-2024-41044 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… --------------------------- [ Upstream commit f2aeb7306a898e1cbd03963d376f4b6656ca2b55 ] Since 'ppp_async_encode()' assumes valid LCP packets (with code from 1 to 7 inclusive), add 'ppp_check_packet()' to ensure that LCP packet has an actual body beyond PPP_LCP header bytes, and reject claimed-as-LCP but actually malformed data otherwise. Reported-by: syzbot+ec0723ba9605678b14bf(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=ec0723ba9605678b14bf Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Dmitry Antipov <dmantipov(a)yandex.ru> Signed-off-by: Paolo Abeni <pabeni(a)redhat.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Liu Jian <liujian56(a)huawei.com> --- drivers/net/ppp/ppp_generic.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index a9beacd552cf..370c84f39375 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -70,6 +70,7 @@ #define MPHDRLEN_SSN 4 /* ditto with short sequence numbers */ #define PPP_PROTO_LEN 2 +#define PPP_LCP_HDRLEN 4 /* * An instance of /dev/ppp can be associated with either a ppp @@ -491,6 +492,15 @@ static ssize_t ppp_read(struct file *file, char __user *buf, return ret; } +static bool ppp_check_packet(struct sk_buff *skb, size_t count) +{ + /* LCP packets must include LCP header which 4 bytes long: + * 1-byte code, 1-byte identifier, and 2-byte length. + */ + return get_unaligned_be16(skb->data) != PPP_LCP || + count >= PPP_PROTO_LEN + PPP_LCP_HDRLEN; +} + static ssize_t ppp_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -513,6 +523,11 @@ static ssize_t ppp_write(struct file *file, const char __user *buf, kfree_skb(skb); goto out; } + ret = -EINVAL; + if (unlikely(!ppp_check_packet(skb, count))) { + kfree_skb(skb); + goto out; + } switch (pf->kind) { case INTERFACE: -- 2.34.1

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[PATCH OLK-5.10] drm/nouveau/dispnv04: fix null pointer dereference in nv17_tv_get_hd_modes
by Liu Mingrui 03 Aug '24

03 Aug '24

From: Ma Ke <make24(a)iscas.ac.cn> stable inclusion from stable-v5.10.221 commit 56fc4d3b0bdef691831cd95715a7ca3ebea98b2d category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAGEON CVE: CVE-2024-41089 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 6d411c8ccc0137a612e0044489030a194ff5c843 upstream. In nv17_tv_get_hd_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a possible NULL pointer dereference on failure of drm_mode_duplicate(). The same applies to drm_cvt_mode(). Add a check to avoid null pointer dereference. Cc: stable(a)vger.kernel.org Signed-off-by: Ma Ke <make24(a)iscas.ac.cn> Signed-off-by: Lyude Paul <lyude(a)redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240625081029.2619437-1-make… Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Liu Mingrui <liumingrui(a)huawei.com> --- drivers/gpu/drm/nouveau/dispnv04/tvnv17.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c index be28e7bd7490..f6ecc774193f 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c +++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c @@ -257,6 +257,8 @@ static int nv17_tv_get_hd_modes(struct drm_encoder *encoder, if (modes[i].hdisplay == output_mode->hdisplay && modes[i].vdisplay == output_mode->vdisplay) { mode = drm_mode_duplicate(encoder->dev, output_mode); + if (!mode) + continue; mode->type |= DRM_MODE_TYPE_PREFERRED; } else { @@ -264,6 +266,8 @@ static int nv17_tv_get_hd_modes(struct drm_encoder *encoder, modes[i].vdisplay, 60, false, (output_mode->flags & DRM_MODE_FLAG_INTERLACE), false); + if (!mode) + continue; } /* CVT modes are sometimes unsuitable... */ -- 2.25.1

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[openeuler:OLK-6.6] BUILD REGRESSION 3cdb76a5e5b7352667ce34bc77526ffbd97de90a
by kernel test robot 03 Aug '24

03 Aug '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-6.6 branch HEAD: 3cdb76a5e5b7352667ce34bc77526ffbd97de90a !10545 bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro() Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-randconfig-004-20240803 | `-- drivers-char-virtio_console.c:warning:u-directive-output-may-be-truncated-writing-between-and-bytes-into-a-region-of-size-between-and |-- loongarch-allmodconfig | `-- arch-loongarch-kvm-..-..-..-virt-kvm-kvm_main.c:warning:kvmalloc_array-sizes-specified-with-sizeof-in-the-earlier-argument-and-not-in-the-later-argument |-- loongarch-randconfig-002-20240803 | `-- drivers-char-virtio_console.c:warning:u-directive-output-may-be-truncated-writing-between-and-bytes-into-a-region-of-size-between-and |-- x86_64-allyesconfig | `-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_topology.c:warning:stack-frame-size-()-exceeds-limit-()-in-kfd_topology_add_device `-- x86_64-buildonly-randconfig-001-20240803 `-- kernel-sched-isolation.c:error:setup_max_cpus-undeclared-(first-use-in-this-function) elapsed time: 917m configs tested: 24 configs skipped: 117 tested configs: arm64 allmodconfig clang-20 arm64 allnoconfig gcc-14.1.0 arm64 randconfig-001-20240803 clang-20 arm64 randconfig-002-20240803 clang-20 arm64 randconfig-003-20240803 clang-20 arm64 randconfig-004-20240803 gcc-14.1.0 loongarch allmodconfig gcc-14.1.0 loongarch allnoconfig gcc-14.1.0 loongarch randconfig-001-20240803 gcc-14.1.0 loongarch randconfig-002-20240803 gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 buildonly-randconfig-001-20240803 gcc-12 x86_64 buildonly-randconfig-002-20240803 clang-18 x86_64 buildonly-randconfig-003-20240803 gcc-12 x86_64 buildonly-randconfig-004-20240803 clang-18 x86_64 buildonly-randconfig-005-20240803 clang-18 x86_64 buildonly-randconfig-006-20240803 clang-18 x86_64 defconfig gcc-11 x86_64 randconfig-001-20240803 gcc-12 x86_64 randconfig-002-20240803 gcc-12 x86_64 randconfig-003-20240803 gcc-12 x86_64 randconfig-004-20240803 clang-18 x86_64 rhel-8.3-rust clang-18 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH openEuler-1.0-LTS] drm/nouveau/dispnv04: fix null pointer dereference in nv17_tv_get_hd_modes
by Liu Mingrui 03 Aug '24

03 Aug '24

From: Ma Ke <make24(a)iscas.ac.cn> stable inclusion from stable-v4.19.317 commit ffabad4aa91e33ced3c6ae793fb37771b3e9cb51 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAGEON CVE: CVE-2024-41089 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 6d411c8ccc0137a612e0044489030a194ff5c843 upstream. In nv17_tv_get_hd_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a possible NULL pointer dereference on failure of drm_mode_duplicate(). The same applies to drm_cvt_mode(). Add a check to avoid null pointer dereference. Cc: stable(a)vger.kernel.org Signed-off-by: Ma Ke <make24(a)iscas.ac.cn> Signed-off-by: Lyude Paul <lyude(a)redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240625081029.2619437-1-make… Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Liu Mingrui <liumingrui(a)huawei.com> --- drivers/gpu/drm/nouveau/dispnv04/tvnv17.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c index 8fd8124d72ba..3922731361e1 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c +++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c @@ -257,6 +257,8 @@ static int nv17_tv_get_hd_modes(struct drm_encoder *encoder, if (modes[i].hdisplay == output_mode->hdisplay && modes[i].vdisplay == output_mode->vdisplay) { mode = drm_mode_duplicate(encoder->dev, output_mode); + if (!mode) + continue; mode->type |= DRM_MODE_TYPE_PREFERRED; } else { @@ -264,6 +266,8 @@ static int nv17_tv_get_hd_modes(struct drm_encoder *encoder, modes[i].vdisplay, 60, false, (output_mode->flags & DRM_MODE_FLAG_INTERLACE), false); + if (!mode) + continue; } /* CVT modes are sometimes unsuitable... */ -- 2.25.1

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[PATCH OLK-6.6] net: ethernet: lantiq_etop: fix double free in detach
by Zhengchao Shao 03 Aug '24

03 Aug '24

From: Aleksander Jan Bajkowski <olek2(a)wp.pl> stable inclusion from stable-v6.6.41 commit 9d23909ae041761cb2aa0c3cb1748598d8b6bc54 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAGEKE CVE: CVE-2024-41046 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… --------------------------- [ Upstream commit e1533b6319ab9c3a97dad314dd88b3783bc41b69 ] The number of the currently released descriptor is never incremented which results in the same skb being released multiple times. Fixes: 504d4721ee8e ("MIPS: Lantiq: Add ethernet driver") Reported-by: Joe Perches <joe(a)perches.com> Closes: https://lore.kernel.org/all/fc1bf93d92bb5b2f99c6c62745507cc22f3a7b2d.camel@… Signed-off-by: Aleksander Jan Bajkowski <olek2(a)wp.pl> Reviewed-by: Andrew Lunn <andrew(a)lunn.ch> Link: https://patch.msgid.link/20240708205826.5176-1-olek2@wp.pl Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zhengchao Shao <shaozhengchao(a)huawei.com> --- drivers/net/ethernet/lantiq_etop.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index f5961bdcc480..61baf1da76ee 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -217,9 +217,9 @@ ltq_etop_free_channel(struct net_device *dev, struct ltq_etop_chan *ch) if (ch->dma.irq) free_irq(ch->dma.irq, priv); if (IS_RX(ch->idx)) { - int desc; + struct ltq_dma_channel *dma = &ch->dma; - for (desc = 0; desc < LTQ_DESC_NUM; desc++) + for (dma->desc = 0; dma->desc < LTQ_DESC_NUM; dma->desc++) dev_kfree_skb_any(ch->skb[ch->dma.desc]); } } -- 2.34.1

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[PATCH openEuler-22.03-LTS-SP1 0/2] fix CVE-2024-41046
by Zhengchao Shao 03 Aug '24

03 Aug '24

Fix CVE-2024-41046. Aleksander Jan Bajkowski (2): net: lantiq_etop: add blank line after declaration net: ethernet: lantiq_etop: fix double free in detach drivers/net/ethernet/lantiq_etop.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) -- 2.34.1

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[PATCH OLK-5.10 0/2] fix CVE-2024-41046
by Zhengchao Shao 03 Aug '24

03 Aug '24

Fix CVE-2024-41046. Aleksander Jan Bajkowski (2): net: lantiq_etop: add blank line after declaration net: ethernet: lantiq_etop: fix double free in detach drivers/net/ethernet/lantiq_etop.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) -- 2.34.1

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[PATCH openEuler-1.0-LTS 0/2] fix CVE-2024-41046
by Zhengchao Shao 03 Aug '24

03 Aug '24

Fix CVE-2024-41046. Aleksander Jan Bajkowski (2): net: lantiq_etop: add blank line after declaration net: ethernet: lantiq_etop: fix double free in detach drivers/net/ethernet/lantiq_etop.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) -- 2.34.1

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[openeuler:OLK-5.10] BUILD SUCCESS d393777507c56d0caf0bd144d95fc51b95338586
by kernel test robot 03 Aug '24

03 Aug '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-5.10 branch HEAD: d393777507c56d0caf0bd144d95fc51b95338586 !10541 tap: add missing verification for short frame elapsed time: 840m configs tested: 34 configs skipped: 111 The following configs have been built successfully. More configs may be tested in the coming days. tested configs: arm64 allmodconfig clang-20 arm64 allnoconfig gcc-14.1.0 arm64 randconfig-001-20240803 clang-20 arm64 randconfig-002-20240803 clang-20 arm64 randconfig-003-20240803 clang-20 arm64 randconfig-004-20240803 gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 buildonly-randconfig-001-20240803 gcc-12 x86_64 buildonly-randconfig-002-20240803 clang-18 x86_64 buildonly-randconfig-003-20240803 gcc-12 x86_64 buildonly-randconfig-004-20240803 clang-18 x86_64 buildonly-randconfig-005-20240803 clang-18 x86_64 buildonly-randconfig-006-20240803 clang-18 x86_64 defconfig gcc-11 x86_64 randconfig-001-20240803 gcc-12 x86_64 randconfig-002-20240803 gcc-12 x86_64 randconfig-003-20240803 gcc-12 x86_64 randconfig-004-20240803 clang-18 x86_64 randconfig-005-20240803 gcc-12 x86_64 randconfig-006-20240803 gcc-12 x86_64 randconfig-011-20240803 clang-18 x86_64 randconfig-012-20240803 gcc-12 x86_64 randconfig-013-20240803 clang-18 x86_64 randconfig-014-20240803 clang-18 x86_64 randconfig-015-20240803 clang-18 x86_64 randconfig-016-20240803 clang-18 x86_64 randconfig-071-20240803 gcc-12 x86_64 randconfig-072-20240803 gcc-12 x86_64 randconfig-073-20240803 clang-18 x86_64 randconfig-074-20240803 clang-18 x86_64 randconfig-075-20240803 gcc-12 x86_64 randconfig-076-20240803 gcc-12 x86_64 rhel-8.3-rust clang-18 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS] BUILD SUCCESS b263c2033617bb9a15cbaa3ee200e1fb75778140
by kernel test robot 03 Aug '24

03 Aug '24

tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: b263c2033617bb9a15cbaa3ee200e1fb75778140 !10320 thermal: Fix NULL pointer dereferences in of_thermal_ functions Warning ids grouped by kconfigs: recent_errors |-- x86_64-buildonly-randconfig-003-20240802 | `-- include-asm-generic-atomic-instrumented.h:warning:wait_req-may-be-used-uninitialized |-- x86_64-buildonly-randconfig-004-20240802 | `-- include-asm-generic-atomic-instrumented.h:warning:wait_req-may-be-used-uninitialized |-- x86_64-buildonly-randconfig-005-20240727 | `-- drivers-net-ethernet-hisilicon-hns3-hns3_cae-.tmp_hns3_cae_pfc_storm.o:warning:objtool:missing-symbol-for-section-.text `-- x86_64-buildonly-randconfig-006-20240802 `-- include-asm-generic-atomic-instrumented.h:warning:wait_req-may-be-used-uninitialized elapsed time: 889m configs tested: 32 configs skipped: 101 The following configs have been built successfully. More configs may be tested in the coming days. tested configs: arm64 allmodconfig gcc-14.1.0 arm64 allnoconfig gcc-14.1.0 arm64 randconfig-001-20240803 gcc-14.1.0 arm64 randconfig-002-20240803 gcc-14.1.0 arm64 randconfig-003-20240803 gcc-14.1.0 arm64 randconfig-004-20240803 gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 buildonly-randconfig-001-20240802 gcc-11 x86_64 buildonly-randconfig-002-20240802 gcc-12 x86_64 buildonly-randconfig-003-20240802 gcc-12 x86_64 buildonly-randconfig-004-20240802 gcc-12 x86_64 buildonly-randconfig-005-20240802 clang-18 x86_64 buildonly-randconfig-006-20240802 gcc-12 x86_64 defconfig gcc-13 x86_64 randconfig-001-20240802 clang-18 x86_64 randconfig-002-20240802 gcc-11 x86_64 randconfig-003-20240802 gcc-12 x86_64 randconfig-004-20240802 gcc-12 x86_64 randconfig-005-20240802 clang-18 x86_64 randconfig-006-20240802 gcc-12 x86_64 randconfig-011-20240802 clang-18 x86_64 randconfig-012-20240802 gcc-12 x86_64 randconfig-013-20240802 gcc-11 x86_64 randconfig-014-20240802 gcc-12 x86_64 randconfig-015-20240802 gcc-12 x86_64 randconfig-016-20240802 clang-18 x86_64 randconfig-071-20240802 gcc-12 x86_64 randconfig-072-20240802 gcc-12 x86_64 randconfig-073-20240802 gcc-12 x86_64 randconfig-074-20240802 gcc-12 x86_64 rhel-8.3-rust clang-18 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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